51885356 has 6 divisors (see below), whose sum is σ = 90799380. Its totient is φ = 25942676.

The previous prime is 51885313. The next prime is 51885373. The reversal of 51885356 is 65358815.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485666 + ... + 6485673.

It is an arithmetic number, because the mean of its divisors is an integer number (15133230).

Almost surely, 2^51885356 is an apocalyptic number.

It is an amenable number.

51885356 is a deficient number, since it is larger than the sum of its proper divisors (38914024).

51885356 is a wasteful number, since it uses less digits than its factorization.

51885356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12971343 (or 12971341 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The square root of 51885356 is about 7203.1490335825. The cubic root of 51885356 is about 372.9766125633.

The spelling of 51885356 in words is "fifty-one million, eight hundred eighty-five thousand, three hundred fifty-six".