51064384 has 28 divisors (see below), whose sum is σ = 115807744. Its totient is φ = 21884544.

The previous prime is 51064367. The next prime is 51064397. The reversal of 51064384 is 48346015.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56544 + ... + 57439.

Almost surely, 2^51064384 is an apocalyptic number.

It is an amenable number.

51064384 is an abundant number, since it is smaller than the sum of its proper divisors (64743360).

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

51064384 is a wasteful number, since it uses less digits than its factorization.

51064384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114002 (or 113992 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 51064384 is about 7145.9347883954. The cubic root of 51064384 is about 370.9989659060.

The spelling of 51064384 in words is "fifty-one million, sixty-four thousand, three hundred eighty-four".