56636775 has 108 divisors (see below), whose sum is σ = 117782392. Its totient is φ = 25850880.

The previous prime is 56636773. The next prime is 56636803. The reversal of 56636775 is 57763665.

56636775 is a `hidden beast` number, since 5 + 6 + 636 + 7 + 7 + 5 = 666.

56636775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56636775 - 2¹ = 56636773 is a prime.

It is a super-3 number, since 3×56636775³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (793800) is a multiple of the sum of its prime divisors (105).

It is a self number, because there is not a number n which added to its sum of digits gives 56636775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56636773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 845292 + ... + 845358.

Almost surely, 2^56636775 is an apocalyptic number.

56636775 is an abundant number, since it is smaller than the sum of its proper divisors (61145617).

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

56636775 is a wasteful number, since it uses less digits than its factorization.

56636775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 105 counting only the distinct ones).

The product of its digits is 793800, while the sum is 45.

The square root of 56636775 is about 7525.7408273206. The cubic root of 56636775 is about 384.0309016473.

The spelling of 56636775 in words is "fifty-six million, six hundred thirty-six thousand, seven hundred seventy-five".