51886704 has 20 divisors (see below), whose sum is σ = 134040776. Its totient is φ = 17295552.

The previous prime is 51886697. The next prime is 51886711. The reversal of 51886704 is 40768815.

It is an interprime number because it is at equal distance from previous prime (51886697) and next prime (51886711).

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 a congruent number.

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, 540439 + ... + 540534.

Almost surely, 2^51886704 is an apocalyptic number.

It is an amenable number.

51886704 is an abundant number, since it is smaller than the sum of its proper divisors (82154072).

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

51886704 is a wasteful number, since it uses less digits than its factorization.

51886704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080984 (or 1080978 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 51886704 is about 7203.2426031614. The cubic root of 51886704 is about 372.9798425570.

The spelling of 51886704 in words is "fifty-one million, eight hundred eighty-six thousand, seven hundred four".