56636461 has 16 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 46824624.

The previous prime is 56636441. The next prime is 56636477. The reversal of 56636461 is 16463665.

It is not a de Polignac number, because 56636461 - 2⁹ = 56635949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56636461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56636431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23850 + ... + 26116.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2^56636461 is an apocalyptic number.

It is an amenable number.

56636461 is a deficient number, since it is larger than the sum of its proper divisors (10423763).

56636461 is a wasteful number, since it uses less digits than its factorization.

56636461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400.

The product of its digits is 77760, while the sum is 37.

The square root of 56636461 is about 7525.7199655581. The cubic root of 56636461 is about 384.0301919440.

The spelling of 56636461 in words is "fifty-six million, six hundred thirty-six thousand, four hundred sixty-one".