51537882 has 16 divisors (see below), whose sum is σ = 112446432. Its totient is φ = 15617520.

The previous prime is 51537881. The next prime is 51537907. The reversal of 51537882 is 28873515.

It is a self number, because there is not a number n which added to its sum of digits gives 51537882.

It is not an unprimeable number, because it can be changed into a prime (51537881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390373 + ... + 390504.

It is an arithmetic number, because the mean of its divisors is an integer number (7027902).

Almost surely, 2^51537882 is an apocalyptic number.

51537882 is an abundant number, since it is smaller than the sum of its proper divisors (60908550).

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

51537882 is a wasteful number, since it uses less digits than its factorization.

51537882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780893.

The product of its digits is 67200, while the sum is 39.

The square root of 51537882 is about 7178.9889260257. The cubic root of 51537882 is about 372.1421441987.

The spelling of 51537882 in words is "fifty-one million, five hundred thirty-seven thousand, eight hundred eighty-two".