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53379502848 = 28367291409
BaseRepresentation
bin110001101101101010…
…101001001100000000
312002210002221201000000
4301231222221030000
51333310123042343
640304444000000
73566536200510
oct615552511400
9162702851000
1053379502848
1120702379611
12a418830000
135058c6a059
1428254c3840
1515c63eded3
hexc6daa9300

53379502848 has 504 divisors, whose sum is σ = 189004183200. Its totient is φ = 14714929152.

The previous prime is 53379502789. The next prime is 53379502849. The reversal of 53379502848 is 84820597335.

53379502848 is a `hidden beast` number, since 53 + 3 + 7 + 9 + 502 + 84 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×533795028482 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 53379502794 and 53379502803.

It is not an unprimeable number, because it can be changed into a prime (53379502849) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 37883968 + ... + 37885376.

It is an arithmetic number, because the mean of its divisors is an integer number (375008300).

Almost surely, 253379502848 is an apocalyptic number.

53379502848 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53379502848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94502091600).

53379502848 is an abundant number, since it is smaller than the sum of its proper divisors (135624680352).

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

53379502848 is an equidigital number, since it uses as much as digits as its factorization.

53379502848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 53379502848 in words is "fifty-three billion, three hundred seventy-nine million, five hundred two thousand, eight hundred forty-eight".