57265945860 has 96 divisors (see below), whose sum is σ = 163829514240. Its totient is φ = 14939319168.

The previous prime is 57265945853. The next prime is 57265945931. The reversal of 57265945860 is 6854956275.

It is a super-2 number, since 2×57265945860² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57265945860.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11184381 + ... + 11189499.

It is an arithmetic number, because the mean of its divisors is an integer number (1706557440).

Almost surely, 2^57265945860 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 57265945860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81914757120).

57265945860 is an abundant number, since it is smaller than the sum of its proper divisors (106563568380).

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

57265945860 is a wasteful number, since it uses less digits than its factorization.

57265945860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145 (or 9143 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 57265945860 in words is "fifty-seven billion, two hundred sixty-five million, nine hundred forty-five thousand, eight hundred sixty".