51736860 has 96 divisors (see below), whose sum is σ = 183966720. Its totient is φ = 11824704.

The previous prime is 51736847. The next prime is 51736871. The reversal of 51736860 is 6863715.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3064 + ... + 10623.

It is an arithmetic number, because the mean of its divisors is an integer number (1916320).

Almost surely, 2^51736860 is an apocalyptic number.

It is an amenable number.

51736860 is an abundant number, since it is smaller than the sum of its proper divisors (132229860).

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

51736860 is a wasteful number, since it uses less digits than its factorization.

51736860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13712 (or 13704 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 51736860 is about 7192.8339338539. The cubic root of 51736860 is about 372.6204526154.

The spelling of 51736860 in words is "fifty-one million, seven hundred thirty-six thousand, eight hundred sixty".