51330862 has 24 divisors (see below), whose sum is σ = 86452128. Its totient is φ = 22830720.

The previous prime is 51330847. The next prime is 51330883. The reversal of 51330862 is 26803315.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51330862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9118 + ... + 13630.

It is an arithmetic number, because the mean of its divisors is an integer number (3602172).

Almost surely, 2^51330862 is an apocalyptic number.

51330862 is a deficient number, since it is larger than the sum of its proper divisors (35121266).

51330862 is a wasteful number, since it uses less digits than its factorization.

51330862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584 (or 4573 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 51330862 is about 7164.5559527440. Note that the first 3 decimals coincide. The cubic root of 51330862 is about 371.6431956686.

It can be divided in two parts, 513 and 30862, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 51330862 in words is "fifty-one million, three hundred thirty thousand, eight hundred sixty-two".