51344704 has 28 divisors (see below), whose sum is σ = 103816404. Its totient is φ = 25186304.

The previous prime is 51344693. The next prime is 51344747. The reversal of 51344704 is 40744315.

It can be written as a sum of positive squares in 2 ways, for example, as 34105600 + 17239104 = 5840^2 + 4152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177 + ... + 10960.

Almost surely, 2^51344704 is an apocalyptic number.

It is an amenable number.

51344704 is an abundant number, since it is smaller than the sum of its proper divisors (52471700).

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

51344704 is a wasteful number, since it uses less digits than its factorization.

51344704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15202 (or 15192 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 51344704 is about 7165.5218930654. The cubic root of 51344704 is about 371.6765987233.

The spelling of 51344704 in words is "fifty-one million, three hundred forty-four thousand, seven hundred four".