57326620725 has 144 divisors (see below), whose sum is σ = 119751710400. Its totient is φ = 26835177600.

The previous prime is 57326620711. The next prime is 57326620753. The reversal of 57326620725 is 52702662375.

57326620725 is a `hidden beast` number, since 573 + 2 + 6 + 6 + 2 + 0 + 72 + 5 = 666.

It is not a de Polignac number, because 57326620725 - 2⁵ = 57326620693 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2356474 + ... + 2380676.

It is an arithmetic number, because the mean of its divisors is an integer number (831609100).

Almost surely, 2^57326620725 is an apocalyptic number.

57326620725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57326620725 is an abundant number, since it is smaller than the sum of its proper divisors (62425089675).

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

57326620725 is a wasteful number, since it uses less digits than its factorization.

57326620725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24273 (or 24251 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 57326620725 in words is "fifty-seven billion, three hundred twenty-six million, six hundred twenty thousand, seven hundred twenty-five".