51325736 has 48 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 19995360.

The previous prime is 51325717. The next prime is 51325741. The reversal of 51325736 is 63752315.

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, 1640 + ... + 10263.

It is an arithmetic number, because the mean of its divisors is an integer number (2544480).

Almost surely, 2^51325736 is an apocalyptic number.

51325736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51325736 is an abundant number, since it is smaller than the sum of its proper divisors (70809304).

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

51325736 is a wasteful number, since it uses less digits than its factorization.

51325736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11934 (or 11923 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 51325736 is about 7164.1982105467. The cubic root of 51325736 is about 371.6308242520.

The spelling of 51325736 in words is "fifty-one million, three hundred twenty-five thousand, seven hundred thirty-six".