51262568 has 32 divisors (see below), whose sum is σ = 111404160. Its totient is φ = 21658560.

The previous prime is 51262559. The next prime is 51262573. The reversal of 51262568 is 86526215.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2471 + ... + 10422.

It is an arithmetic number, because the mean of its divisors is an integer number (3481380).

Almost surely, 2^51262568 is an apocalyptic number.

It is an amenable number.

51262568 is an abundant number, since it is smaller than the sum of its proper divisors (60141592).

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

51262568 is a wasteful number, since it uses less digits than its factorization.

51262568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977 (or 12973 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 51262568 is about 7159.7882650257. The cubic root of 51262568 is about 371.4783028930.

It can be divided in two parts, 51262 and 568, that multiplied together give a square (29116816 = 5396²).

The spelling of 51262568 in words is "fifty-one million, two hundred sixty-two thousand, five hundred sixty-eight".