51700536 has 48 divisors (see below), whose sum is σ = 148262400. Its totient is φ = 16219392.

The previous prime is 51700487. The next prime is 51700547. The reversal of 51700536 is 63500715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19896 + ... + 22343.

It is an arithmetic number, because the mean of its divisors is an integer number (3088800).

Almost surely, 2^51700536 is an apocalyptic number.

It is an amenable number.

51700536 is an abundant number, since it is smaller than the sum of its proper divisors (96561864).

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

51700536 is a wasteful number, since it uses less digits than its factorization.

51700536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42268 (or 42261 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 51700536 is about 7190.3084773882. The cubic root of 51700536 is about 372.5332276712.

The spelling of 51700536 in words is "fifty-one million, seven hundred thousand, five hundred thirty-six".