57260551020 has 96 divisors (see below), whose sum is σ = 166120694208. Its totient is φ = 14725251072.

The previous prime is 57260551013. The next prime is 57260551067. The reversal of 57260551020 is 2015506275.

It is a super-2 number, since 2×57260551020² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136732 + ... + 364988.

It is an arithmetic number, because the mean of its divisors is an integer number (1730423898).

Almost surely, 2^57260551020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57260551020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83060347104).

57260551020 is an abundant number, since it is smaller than the sum of its proper divisors (108860143188).

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

57260551020 is a wasteful number, since it uses less digits than its factorization.

57260551020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228419 (or 228417 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 57260551020 in words is "fifty-seven billion, two hundred sixty million, five hundred fifty-one thousand, twenty".