56994839 has 4 divisors (see below), whose sum is σ = 62176200. Its totient is φ = 51813480.

The previous prime is 56994811. The next prime is 56994869. The reversal of 56994839 is 93849965.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56994839 - 2⁸ = 56994583 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 (56994809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2590664 + ... + 2590685.

It is an arithmetic number, because the mean of its divisors is an integer number (15544050).

Almost surely, 2^56994839 is an apocalyptic number.

56994839 is a deficient number, since it is larger than the sum of its proper divisors (5181361).

56994839 is a wasteful number, since it uses less digits than its factorization.

56994839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181360.

The product of its digits is 2099520, while the sum is 53.

The square root of 56994839 is about 7549.4926319588. The cubic root of 56994839 is about 384.8384975056.

The spelling of 56994839 in words is "fifty-six million, nine hundred ninety-four thousand, eight hundred thirty-nine".