56823037 has 4 divisors (see below), whose sum is σ = 56843100. Its totient is φ = 56802976.

The previous prime is 56823001. The next prime is 56823043. The reversal of 56823037 is 73032865.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49364676 + 7458361 = 7026^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 56823037 - 2¹¹ = 56820989 is a prime.

It is a super-3 number, since 3×56823037³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56822993 and 56823011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56823097) 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, 4912 + ... + 11737.

It is an arithmetic number, because the mean of its divisors is an integer number (14210775).

Almost surely, 2^56823037 is an apocalyptic number.

It is an amenable number.

56823037 is a deficient number, since it is larger than the sum of its proper divisors (20063).

56823037 is a wasteful number, since it uses less digits than its factorization.

56823037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20062.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 56823037 is about 7538.1056638920. The cubic root of 56823037 is about 384.4514299025.

The spelling of 56823037 in words is "fifty-six million, eight hundred twenty-three thousand, thirty-seven".