57724295820 has 48 divisors (see below), whose sum is σ = 161638739808. Its totient is φ = 15392125440.

The previous prime is 57724295819. The next prime is 57724295843. The reversal of 57724295820 is 2859242775.

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 15 ways as a sum of consecutive naturals, for example, 1451400 + ... + 1490640.

It is an arithmetic number, because the mean of its divisors is an integer number (3367473746).

Almost surely, 2^57724295820 is an apocalyptic number.

It is an amenable number.

57724295820 is an abundant number, since it is smaller than the sum of its proper divisors (103914443988).

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

57724295820 is a wasteful number, since it uses less digits than its factorization.

57724295820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63770 (or 63768 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 57724295820 in words is "fifty-seven billion, seven hundred twenty-four million, two hundred ninety-five thousand, eight hundred twenty".