51850056 has 16 divisors (see below), whose sum is σ = 129625200. Its totient is φ = 17283344.

The previous prime is 51850037. The next prime is 51850079. The reversal of 51850056 is 65005815.

It is a happy 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, 1080186 + ... + 1080233.

It is an arithmetic number, because the mean of its divisors is an integer number (8101575).

Almost surely, 2^51850056 is an apocalyptic number.

It is an amenable number.

51850056 is an abundant number, since it is smaller than the sum of its proper divisors (77775144).

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

51850056 is a wasteful number, since it uses less digits than its factorization.

51850056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160428 (or 2160424 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 51850056 is about 7200.6982994707. The cubic root of 51850056 is about 372.8920089783.

The spelling of 51850056 in words is "fifty-one million, eight hundred fifty thousand, fifty-six".