56636444 has 6 divisors (see below), whose sum is σ = 99113784. Its totient is φ = 28318220.

The previous prime is 56636441. The next prime is 56636477. The reversal of 56636444 is 44463665.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56636398 and 56636407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56636441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7079552 + ... + 7079559.

It is an arithmetic number, because the mean of its divisors is an integer number (16518964).

Almost surely, 2^56636444 is an apocalyptic number.

It is an amenable number.

56636444 is a deficient number, since it is larger than the sum of its proper divisors (42477340).

56636444 is a wasteful number, since it uses less digits than its factorization.

56636444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14159115 (or 14159113 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 56636444 is about 7525.7188360980. The cubic root of 56636444 is about 384.0301535204.

The spelling of 56636444 in words is "fifty-six million, six hundred thirty-six thousand, four hundred forty-four".