53657770032 has 80 divisors (see below), whose sum is σ = 154045696000. Its totient is φ = 17882669376.

The previous prime is 53657769959. The next prime is 53657770043. The reversal of 53657770032 is 23007775635.

53657770032 is a `hidden beast` number, since 5 + 3 + 6 + 577 + 70 + 0 + 3 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53657770032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4071069 + ... + 4084227.

It is an arithmetic number, because the mean of its divisors is an integer number (1925571200).

Almost surely, 2^53657770032 is an apocalyptic number.

It is an amenable number.

53657770032 is an abundant number, since it is smaller than the sum of its proper divisors (100387925968).

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

53657770032 is a wasteful number, since it uses less digits than its factorization.

53657770032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22615 (or 22603 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 45.

The spelling of 53657770032 in words is "fifty-three billion, six hundred fifty-seven million, seven hundred seventy thousand, thirty-two".