57534563520 has 224 divisors, whose sum is σ = 231964992000. Its totient is φ = 13150743552.

The previous prime is 57534563509. The next prime is 57534563539. The reversal of 57534563520 is 2536543575.

57534563520 is a `hidden beast` number, since 5 + 7 + 5 + 3 + 4 + 5 + 635 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415170 + ... + 536129.

It is an arithmetic number, because the mean of its divisors is an integer number (1035558000).

Almost surely, 2^57534563520 is an apocalyptic number.

It is an amenable number.

57534563520 is an abundant number, since it is smaller than the sum of its proper divisors (174430428480).

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

57534563520 is a wasteful number, since it uses less digits than its factorization.

57534563520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951332 (or 951316 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 45.

The spelling of 57534563520 in words is "fifty-seven billion, five hundred thirty-four million, five hundred sixty-three thousand, five hundred twenty".