56887655 has 16 divisors (see below), whose sum is σ = 74638368. Its totient is φ = 41280000.

The previous prime is 56887651. The next prime is 56887657. The reversal of 56887655 is 55678865.

It is not a de Polignac number, because 56887655 - 2² = 56887651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56887651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32195 + ... + 33915.

It is an arithmetic number, because the mean of its divisors is an integer number (4664898).

Almost surely, 2^56887655 is an apocalyptic number.

56887655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56887655 is a deficient number, since it is larger than the sum of its proper divisors (17750713).

56887655 is a wasteful number, since it uses less digits than its factorization.

56887655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338.

The product of its digits is 2016000, while the sum is 50.

The square root of 56887655 is about 7542.3905361629. The cubic root of 56887655 is about 384.5971048081.

The spelling of 56887655 in words is "fifty-six million, eight hundred eighty-seven thousand, six hundred fifty-five".