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552320131621050 = 235521347211352607
BaseRepresentation
bin111110110010101010000110…
…1001111110110000010111010
32200102121021210121201002200000
41331211110031033312002322
51034343203112143333200
65234404210551453430
7224223545514105252
oct17545241517660272
92612537717632600
10552320131621050
1114aa9371a386891
1251b43412687276
131a9257461b9b20
149a56619200962
1543cc1aa2b4300
hex1f6550d3f60ba

552320131621050 has 576 divisors, whose sum is σ = 1700519543783424. Its totient is φ = 132432043564800.

The previous prime is 552320131621039. The next prime is 552320131621051. The reversal of 552320131621050 is 50126131023255.

552320131621050 is a `hidden beast` number, since 5 + 5 + 2 + 3 + 20 + 1 + 3 + 1 + 621 + 0 + 5 + 0 = 666.

It is a super-2 number, since 2×5523201316210502 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 552320131620996 and 552320131621014.

It is not an unprimeable number, because it can be changed into a prime (552320131621051) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1566213847 + ... + 1566566453.

It is an arithmetic number, because the mean of its divisors is an integer number (2952290874624).

Almost surely, 2552320131621050 is an apocalyptic number.

552320131621050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 552320131621050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850259771891712).

552320131621050 is an abundant number, since it is smaller than the sum of its proper divisors (1148199412162374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552320131621050 is a wasteful number, since it uses less digits than its factorization.

552320131621050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352905 (or 352888 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 552320131621050 in words is "five hundred fifty-two trillion, three hundred twenty billion, one hundred thirty-one million, six hundred twenty-one thousand, fifty".