51190632 has 48 divisors (see below), whose sum is σ = 142030980. Its totient is φ = 16646400.

The previous prime is 51190609. The next prime is 51190679. The reversal of 51190632 is 23609115.

51190632 is a `hidden beast` number, since 511 + 90 + 63 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51065316 + 125316 = 7146^2 + 354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51190596 and 51190605.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5719 + ... + 11622.

Almost surely, 2^51190632 is an apocalyptic number.

It is an amenable number.

51190632 is an abundant number, since it is smaller than the sum of its proper divisors (90840348).

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

51190632 is a wasteful number, since it uses less digits than its factorization.

51190632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17394 (or 17387 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 51190632 is about 7154.7628891529. The cubic root of 51190632 is about 371.3044582221.

Adding to 51190632 its reverse (23609115), we get a palindrome (74799747).

The spelling of 51190632 in words is "fifty-one million, one hundred ninety thousand, six hundred thirty-two".