51874628 has 12 divisors (see below), whose sum is σ = 97763820. Its totient is φ = 23942112.

The previous prime is 51874607. The next prime is 51874643. The reversal of 51874628 is 82647815.

It can be written as a sum of positive squares in 2 ways, for example, as 23059204 + 28815424 = 4802^2 + 5368^2 .

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, 498743 + ... + 498846.

It is an arithmetic number, because the mean of its divisors is an integer number (8146985).

Almost surely, 2^51874628 is an apocalyptic number.

It is an amenable number.

51874628 is a deficient number, since it is larger than the sum of its proper divisors (45889192).

51874628 is a wasteful number, since it uses less digits than its factorization.

51874628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997606 (or 997604 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 51874628 is about 7202.4043207807. The cubic root of 51874628 is about 372.9509048029.

The spelling of 51874628 in words is "fifty-one million, eight hundred seventy-four thousand, six hundred twenty-eight".