51379584 has 32 divisors (see below), whose sum is σ = 136478040. Its totient is φ = 17126400.

The previous prime is 51379579. The next prime is 51379613. The reversal of 51379584 is 48597315.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 66517 + ... + 67284.

Almost surely, 2^51379584 is an apocalyptic number.

It is an amenable number.

51379584 is an abundant number, since it is smaller than the sum of its proper divisors (85098456).

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

51379584 is a wasteful number, since it uses less digits than its factorization.

51379584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133818 (or 133806 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 51379584 is about 7167.9553570038. The cubic root of 51379584 is about 371.7607433655.

The spelling of 51379584 in words is "fifty-one million, three hundred seventy-nine thousand, five hundred eighty-four".