51162632 has 16 divisors (see below), whose sum is σ = 96288000. Its totient is φ = 25485840.

The previous prime is 51162623. The next prime is 51162637. The reversal of 51162632 is 23626115.

It is a super-2 number, since 2×51162632² = 5235229826334848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51162637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9632 + ... + 13967.

It is an arithmetic number, because the mean of its divisors is an integer number (6018000).

Almost surely, 2^51162632 is an apocalyptic number.

It is an amenable number.

51162632 is a deficient number, since it is larger than the sum of its proper divisors (45125368).

51162632 is a wasteful number, since it uses less digits than its factorization.

51162632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23876 (or 23872 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 51162632 is about 7152.8058830084. The cubic root of 51162632 is about 371.2367477802.

Adding to 51162632 its reverse (23626115), we get a palindrome (74788747).

The spelling of 51162632 in words is "fifty-one million, one hundred sixty-two thousand, six hundred thirty-two".