51872408 has 16 divisors (see below), whose sum is σ = 111155280. Its totient is φ = 22231008.

The previous prime is 51872377. The next prime is 51872411. The reversal of 51872408 is 80427815.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463091 + ... + 463202.

It is an arithmetic number, because the mean of its divisors is an integer number (6947205).

Almost surely, 2^51872408 is an apocalyptic number.

It is an amenable number.

51872408 is an abundant number, since it is smaller than the sum of its proper divisors (59282872).

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

51872408 is a wasteful number, since it uses less digits than its factorization.

51872408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926306 (or 926302 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 51872408 is about 7202.2502039293. The cubic root of 51872408 is about 372.9455845217.

The spelling of 51872408 in words is "fifty-one million, eight hundred seventy-two thousand, four hundred eight".