56639343 has 8 divisors (see below), whose sum is σ = 76212400. Its totient is φ = 37412928.

The previous prime is 56639339. The next prime is 56639353. The reversal of 56639343 is 34393665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56639343 - 2² = 56639339 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 (56639353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86278 + ... + 86931.

It is an arithmetic number, because the mean of its divisors is an integer number (9526550).

Almost surely, 2^56639343 is an apocalyptic number.

56639343 is a deficient number, since it is larger than the sum of its proper divisors (19573057).

56639343 is a wasteful number, since it uses less digits than its factorization.

56639343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173321.

The product of its digits is 174960, while the sum is 39.

The square root of 56639343 is about 7525.9114398191. The cubic root of 56639343 is about 384.0367057469.

The spelling of 56639343 in words is "fifty-six million, six hundred thirty-nine thousand, three hundred forty-three".