51860056 has 16 divisors (see below), whose sum is σ = 98886600. Its totient is φ = 25490304.

The previous prime is 51859991. The next prime is 51860071. The reversal of 51860056 is 65006815.

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, 54465 + ... + 55408.

Almost surely, 2^51860056 is an apocalyptic number.

It is an amenable number.

51860056 is a deficient number, since it is larger than the sum of its proper divisors (47026544).

51860056 is a wasteful number, since it uses less digits than its factorization.

51860056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109938 (or 109934 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 51860056 is about 7201.3926430934. The cubic root of 51860056 is about 372.9159798967.

The spelling of 51860056 in words is "fifty-one million, eight hundred sixty thousand, fifty-six".