51879632 has 30 divisors (see below), whose sum is σ = 116929458. Its totient is φ = 22233792.

The previous prime is 51879601. The next prime is 51879679. The reversal of 51879632 is 23697815.

It can be written as a sum of positive squares in only one way, i.e., 32307856 + 19571776 = 5684^2 + 4424^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51879632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32303 + ... + 33870.

Almost surely, 2^51879632 is an apocalyptic number.

It is an amenable number.

51879632 is an abundant number, since it is smaller than the sum of its proper divisors (65049826).

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

51879632 is a wasteful number, since it uses less digits than its factorization.

51879632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66195 (or 66182 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 51879632 is about 7202.7516964005. The cubic root of 51879632 is about 372.9628964475.

The spelling of 51879632 in words is "fifty-one million, eight hundred seventy-nine thousand, six hundred thirty-two".