51376872 has 32 divisors (see below), whose sum is σ = 128620800. Its totient is φ = 17101824.

The previous prime is 51376847. The next prime is 51376877. The reversal of 51376872 is 27867315.

It is a self number, because there is not a number n which added to its sum of digits gives 51376872.

It is not an unprimeable number, because it can be changed into a prime (51376877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28329 + ... + 30087.

It is an arithmetic number, because the mean of its divisors is an integer number (4019400).

Almost surely, 2^51376872 is an apocalyptic number.

It is an amenable number.

51376872 is an abundant number, since it is smaller than the sum of its proper divisors (77243928).

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

51376872 is a wasteful number, since it uses less digits than its factorization.

51376872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985 (or 2981 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 51376872 is about 7167.7661792221. The cubic root of 51376872 is about 371.7542022922.

The spelling of 51376872 in words is "fifty-one million, three hundred seventy-six thousand, eight hundred seventy-two".