51924904 has 8 divisors (see below), whose sum is σ = 97359210. Its totient is φ = 25962448.

The previous prime is 51924893. The next prime is 51924923. The reversal of 51924904 is 40942915.

It can be written as a sum of positive squares in only one way, i.e., 46212804 + 5712100 = 6798^2 + 2390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 51924904.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245299 + ... + 3245314.

Almost surely, 2^51924904 is an apocalyptic number.

It is an amenable number.

51924904 is a deficient number, since it is larger than the sum of its proper divisors (45434306).

51924904 is a wasteful number, since it uses less digits than its factorization.

51924904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490619 (or 6490615 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 51924904 is about 7205.8936989106. The cubic root of 51924904 is about 373.0713517736.

The spelling of 51924904 in words is "fifty-one million, nine hundred twenty-four thousand, nine hundred four".