56940845 has 8 divisors (see below), whose sum is σ = 73585176. Its totient is φ = 42048576.

The previous prime is 56940839. The next prime is 56940857. The reversal of 56940845 is 54804965.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1304164 + 55636681 = 1142^2 + 7459^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56940845 - 2⁶ = 56940781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437942 + ... + 438071.

It is an arithmetic number, because the mean of its divisors is an integer number (9198147).

Almost surely, 2^56940845 is an apocalyptic number.

It is an amenable number.

56940845 is a deficient number, since it is larger than the sum of its proper divisors (16644331).

56940845 is a wasteful number, since it uses less digits than its factorization.

56940845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876031.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 56940845 is about 7545.9157827264. The cubic root of 56940845 is about 384.7169336628.

It can be divided in two parts, 569 and 40845, that added together give a palindrome (41414).

The spelling of 56940845 in words is "fifty-six million, nine hundred forty thousand, eight hundred forty-five".