57150815636 has 12 divisors (see below), whose sum is σ = 100020378612. Its totient is φ = 28573564608.

The previous prime is 57150815627. The next prime is 57150815639. The reversal of 57150815636 is 63651805175.

It can be written as a sum of positive squares in 2 ways, for example, as 41624160400 + 15526655236 = 204020^2 + 124606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57150815639) 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 3 ways as a sum of consecutive naturals, for example, 389825 + ... + 516008.

It is an arithmetic number, because the mean of its divisors is an integer number (8335031551).

Almost surely, 2^57150815636 is an apocalyptic number.

It is an amenable number.

57150815636 is a deficient number, since it is larger than the sum of its proper divisors (42869562976).

57150815636 is a wasteful number, since it uses less digits than its factorization.

57150815636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921610 (or 921608 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 57150815636 in words is "fifty-seven billion, one hundred fifty million, eight hundred fifteen thousand, six hundred thirty-six".