51886128 has 40 divisors (see below), whose sum is σ = 153188608. Its totient is φ = 14824512.

The previous prime is 51886127. The next prime is 51886139. The reversal of 51886128 is 82168815.

It is not an unprimeable number, because it can be changed into a prime (51886127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76876 + ... + 77547.

Almost surely, 2^51886128 is an apocalyptic number.

It is an amenable number.

51886128 is an abundant number, since it is smaller than the sum of its proper divisors (101302480).

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

51886128 is a wasteful number, since it uses less digits than its factorization.

51886128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154441 (or 154435 counting only the distinct ones).

The product of its digits is 30720, while the sum is 39.

The square root of 51886128 is about 7203.2026210568. The cubic root of 51886128 is about 372.9784623885.

The spelling of 51886128 in words is "fifty-one million, eight hundred eighty-six thousand, one hundred twenty-eight".