57497205620 has 12 divisors (see below), whose sum is σ = 120744131844. Its totient is φ = 22998882240.

The previous prime is 57497205589. The next prime is 57497205641. The reversal of 57497205620 is 2650279475.

It can be written as a sum of positive squares in 2 ways, for example, as 32470598416 + 25026607204 = 180196^2 + 158198^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437430121 + ... + 1437430160.

It is an arithmetic number, because the mean of its divisors is an integer number (10062010987).

Almost surely, 2^57497205620 is an apocalyptic number.

It is an amenable number.

57497205620 is an abundant number, since it is smaller than the sum of its proper divisors (63246926224).

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

57497205620 is a wasteful number, since it uses less digits than its factorization.

57497205620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874860290 (or 2874860288 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 57497205620 in words is "fifty-seven billion, four hundred ninety-seven million, two hundred five thousand, six hundred twenty".