57150815625 has 60 divisors (see below), whose sum is σ = 106710443532. Its totient is φ = 30480300000.

The previous prime is 57150815621. The next prime is 57150815627. The reversal of 57150815625 is 52651805175.

57150815625 is a `hidden beast` number, since 5 + 7 + 1 + 5 + 0 + 8 + 15 + 625 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 54453155904 + 2697659721 = 233352^2 + 51939^2 .

It is not a de Polignac number, because 57150815625 - 2² = 57150815621 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (57150815621) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 140235 + ... + 366015.

Almost surely, 2^57150815625 is an apocalyptic number.

It is an amenable number.

57150815625 is a deficient number, since it is larger than the sum of its proper divisors (49559627907).

57150815625 is an frugal number, since it uses more digits than its factorization.

57150815625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225818 (or 225789 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 45.

The spelling of 57150815625 in words is "fifty-seven billion, one hundred fifty million, eight hundred fifteen thousand, six hundred twenty-five".