51658834632 has 32 divisors (see below), whose sum is σ = 129154132800. Its totient is φ = 17218672064.

The previous prime is 51658834607. The next prime is 51658834681. The reversal of 51658834632 is 23643885615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498094 + ... + 592802.

It is an arithmetic number, because the mean of its divisors is an integer number (4036066650).

Almost surely, 2^51658834632 is an apocalyptic number.

It is an amenable number.

51658834632 is an abundant number, since it is smaller than the sum of its proper divisors (77495298168).

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

51658834632 is a wasteful number, since it uses less digits than its factorization.

51658834632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117445 (or 117441 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The spelling of 51658834632 in words is "fifty-one billion, six hundred fifty-eight million, eight hundred thirty-four thousand, six hundred thirty-two".