56986128 has 30 divisors (see below), whose sum is σ = 159482414. Its totient is φ = 18995328.

The previous prime is 56986123. The next prime is 56986141. The reversal of 56986128 is 82168965.

56986128 is a `hidden beast` number, since 569 + 8 + 61 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46949904 + 10036224 = 6852^2 + 3168^2 .

It is not an unprimeable number, because it can be changed into a prime (56986121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197725 + ... + 198012.

Almost surely, 2^56986128 is an apocalyptic number.

It is an amenable number.

56986128 is an abundant number, since it is smaller than the sum of its proper divisors (102496286).

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

56986128 is a wasteful number, since it uses less digits than its factorization.

56986128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395751 (or 395742 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 56986128 is about 7548.9156837257. The cubic root of 56986128 is about 384.8188904732.

The spelling of 56986128 in words is "fifty-six million, nine hundred eighty-six thousand, one hundred twenty-eight".