56993169 has 4 divisors (see below), whose sum is σ = 75990896. Its totient is φ = 37995444.

The previous prime is 56993161. The next prime is 56993177. The reversal of 56993169 is 96139965.

56993169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (56993161) and next prime (56993177).

It is not a de Polignac number, because 56993169 - 2³ = 56993161 is a prime.

It is a super-2 number, since 2×56993169² = 6496442625325122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56993161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9498859 + ... + 9498864.

It is an arithmetic number, because the mean of its divisors is an integer number (18997724).

Almost surely, 2^56993169 is an apocalyptic number.

It is an amenable number.

56993169 is a deficient number, since it is larger than the sum of its proper divisors (18997727).

56993169 is a wasteful number, since it uses less digits than its factorization.

56993169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18997726.

The product of its digits is 393660, while the sum is 48.

The square root of 56993169 is about 7549.3820276894. The cubic root of 56993169 is about 384.8347387642.

The spelling of 56993169 in words is "fifty-six million, nine hundred ninety-three thousand, one hundred sixty-nine".