51879628 has 24 divisors (see below), whose sum is σ = 94993920. Its totient is φ = 24744720.

The previous prime is 51879601. The next prime is 51879679. The reversal of 51879628 is 82697815.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56493 + ... + 57403.

It is an arithmetic number, because the mean of its divisors is an integer number (3958080).

Almost surely, 2^51879628 is an apocalyptic number.

It is an amenable number.

51879628 is a deficient number, since it is larger than the sum of its proper divisors (43114292).

51879628 is a wasteful number, since it uses less digits than its factorization.

51879628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1555 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 51879628 is about 7202.7514187288. The cubic root of 51879628 is about 372.9628868622.

The spelling of 51879628 in words is "fifty-one million, eight hundred seventy-nine thousand, six hundred twenty-eight".