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55790839148 = 22111267973617
BaseRepresentation
bin110011111101011001…
…001010010101101100
312100000011022021112212
4303331121022111230
51403224423323043
641344023145552
74013356210502
oct637531122554
9170004267485
1055790839148
112172a524230
12a9902a52b8
1353516c4875
1429b3854672
1516b7e64018
hexcfd64a56c

55790839148 has 12 divisors (see below), whose sum is σ = 106509783912. Its totient is φ = 25359472320.

The previous prime is 55790839147. The next prime is 55790839151. The reversal of 55790839148 is 84193809755.

It is a super-2 number, since 2×557908391482 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55790839147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633986765 + ... + 633986852.

It is an arithmetic number, because the mean of its divisors is an integer number (8875815326).

Almost surely, 255790839148 is an apocalyptic number.

It is an amenable number.

55790839148 is a deficient number, since it is larger than the sum of its proper divisors (50718944764).

55790839148 is a wasteful number, since it uses less digits than its factorization.

55790839148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267973632 (or 1267973630 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 59.

The spelling of 55790839148 in words is "fifty-five billion, seven hundred ninety million, eight hundred thirty-nine thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 1267973617 2535947234 5071894468 13947709787 27895419574 55790839148