51276924 has 18 divisors (see below), whose sum is σ = 129616760. Its totient is φ = 17092296.

The previous prime is 51276899. The next prime is 51276949. The reversal of 51276924 is 42967215.

It is an interprime number because it is at equal distance from previous prime (51276899) and next prime (51276949).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1424359 = 51276924 / (5 + 1 + 2 + 7 + 6 + 9 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712144 + ... + 712215.

Almost surely, 2^51276924 is an apocalyptic number.

It is an amenable number.

51276924 is an abundant number, since it is smaller than the sum of its proper divisors (78339836).

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

51276924 is a wasteful number, since it uses less digits than its factorization.

51276924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424369 (or 1424364 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 51276924 is about 7160.7907384590. The cubic root of 51276924 is about 371.5129769575.

The spelling of 51276924 in words is "fifty-one million, two hundred seventy-six thousand, nine hundred twenty-four".