56088639 has 16 divisors (see below), whose sum is σ = 85960800. Its totient is φ = 36102528.

The previous prime is 56088629. The next prime is 56088647. The reversal of 56088639 is 93688065.

56088639 is a `hidden beast` number, since 5 + 6 + 0 + 8 + 8 + 639 = 666.

It is not a de Polignac number, because 56088639 - 2⁴ = 56088623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56088594 and 56088603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56088629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35034 + ... + 36599.

It is an arithmetic number, because the mean of its divisors is an integer number (5372550).

Almost surely, 2^56088639 is an apocalyptic number.

56088639 is a deficient number, since it is larger than the sum of its proper divisors (29872161).

56088639 is a wasteful number, since it uses less digits than its factorization.

56088639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71671 (or 71665 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 56088639 is about 7489.2348741377. The cubic root of 56088639 is about 382.7879876538.

The spelling of 56088639 in words is "fifty-six million, eighty-eight thousand, six hundred thirty-nine".