56636343 has 6 divisors (see below), whose sum is σ = 81808064. Its totient is φ = 37757556.

The previous prime is 56636339. The next prime is 56636369. The reversal of 56636343 is 34363665.

It is a happy number.

It is not a de Polignac number, because 56636343 - 2² = 56636339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56636298 and 56636307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56636303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3146455 + ... + 3146472.

Almost surely, 2^56636343 is an apocalyptic number.

56636343 is a deficient number, since it is larger than the sum of its proper divisors (25171721).

56636343 is a wasteful number, since it uses less digits than its factorization.

56636343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292933 (or 6292930 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 56636343 is about 7525.7121257726. The cubic root of 56636343 is about 384.0299252395.

The spelling of 56636343 in words is "fifty-six million, six hundred thirty-six thousand, three hundred forty-three".