51083004 has 24 divisors (see below), whose sum is σ = 136221568. Its totient is φ = 14595120.

The previous prime is 51082981. The next prime is 51083017. The reversal of 51083004 is 40038015.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 303982 + ... + 304149.

Almost surely, 2^51083004 is an apocalyptic number.

It is an amenable number.

51083004 is an abundant number, since it is smaller than the sum of its proper divisors (85138564).

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

51083004 is a wasteful number, since it uses less digits than its factorization.

51083004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608145 (or 608143 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 51083004 is about 7147.2375082965. The cubic root of 51083004 is about 371.0440538305.

The spelling of 51083004 in words is "fifty-one million, eighty-three thousand, four".