51657002 has 8 divisors (see below), whose sum is σ = 77563200. Its totient is φ = 25802604.

The previous prime is 51656993. The next prime is 51657013. The reversal of 51657002 is 20075615.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 10352 + ... + 14507.

It is an arithmetic number, because the mean of its divisors is an integer number (9695400).

Almost surely, 2^51657002 is an apocalyptic number.

51657002 is a deficient number, since it is larger than the sum of its proper divisors (25906198).

51657002 is a wasteful number, since it uses less digits than its factorization.

51657002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 51657002 is about 7187.2805705635. The cubic root of 51657002 is about 372.4286354886.

It can be divided in two parts, 5165 and 7002, that added together give a cube (12167 = 23³).

The spelling of 51657002 in words is "fifty-one million, six hundred fifty-seven thousand, two".