51286056 has 16 divisors (see below), whose sum is σ = 128215200. Its totient is φ = 17095344.

The previous prime is 51286031. The next prime is 51286117. The reversal of 51286056 is 65068215.

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, 1068436 + ... + 1068483.

It is an arithmetic number, because the mean of its divisors is an integer number (8013450).

Almost surely, 2^51286056 is an apocalyptic number.

It is an amenable number.

51286056 is an abundant number, since it is smaller than the sum of its proper divisors (76929144).

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

51286056 is a wasteful number, since it uses less digits than its factorization.

51286056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136928 (or 2136924 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 51286056 is about 7161.4283491494. The cubic root of 51286056 is about 371.5350301207.

It can be divided in two parts, 512 and 86056, that added together give a palindrome (86568).

The spelling of 51286056 in words is "fifty-one million, two hundred eighty-six thousand, fifty-six".