51059856 has 20 divisors (see below), whose sum is σ = 131904752. Its totient is φ = 17019936.

The previous prime is 51059779. The next prime is 51059861. The reversal of 51059856 is 65895015.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 531826 + ... + 531921.

Almost surely, 2^51059856 is an apocalyptic number.

It is an amenable number.

51059856 is an abundant number, since it is smaller than the sum of its proper divisors (80844896).

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

51059856 is a wasteful number, since it uses less digits than its factorization.

51059856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063758 (or 1063752 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 51059856 is about 7145.6179578816. The cubic root of 51059856 is about 370.9879997959.

It can be divided in two parts, 51059 and 856, that added together give a palindrome (51915).

The spelling of 51059856 in words is "fifty-one million, fifty-nine thousand, eight hundred fifty-six".