51579936 has 48 divisors (see below), whose sum is σ = 150444000. Its totient is φ = 17193024.

The previous prime is 51579929. The next prime is 51579947. The reversal of 51579936 is 63997515.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×51579936³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51579891 and 51579900.

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, 28986 + ... + 30713.

It is an arithmetic number, because the mean of its divisors is an integer number (3134250).

Almost surely, 2^51579936 is an apocalyptic number.

It is an amenable number.

51579936 is an abundant number, since it is smaller than the sum of its proper divisors (98864064).

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

51579936 is a wasteful number, since it uses less digits than its factorization.

51579936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59718 (or 59704 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 51579936 is about 7181.9172927569. The cubic root of 51579936 is about 372.2433371486.

The spelling of 51579936 in words is "fifty-one million, five hundred seventy-nine thousand, nine hundred thirty-six".