51090876 has 36 divisors (see below), whose sum is σ = 129491544. Its totient is φ = 16984800.

The previous prime is 51090869. The next prime is 51090911. The reversal of 51090876 is 67809015.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×51090876² = 5220555220894752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51090876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13471 + ... + 16841.

Almost surely, 2^51090876 is an apocalyptic number.

It is an amenable number.

51090876 is an abundant number, since it is smaller than the sum of its proper divisors (78400668).

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

51090876 is a wasteful number, since it uses less digits than its factorization.

51090876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802 (or 3797 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 51090876 is about 7147.7881893632. The cubic root of 51090876 is about 371.0631124119.

The spelling of 51090876 in words is "fifty-one million, ninety thousand, eight hundred seventy-six".