56800237 has 4 divisors (see below), whose sum is σ = 61169500. Its totient is φ = 52430976.

The previous prime is 56800231. The next prime is 56800243. The reversal of 56800237 is 73200865.

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

It is an interprime number because it is at equal distance from previous prime (56800231) and next prime (56800243).

It can be written as a sum of positive squares in 2 ways, for example, as 33942276 + 22857961 = 5826^2 + 4781^2 .

It is not a de Polignac number, because 56800237 - 2³ = 56800229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56800199 and 56800208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56800231) 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, 2184612 + ... + 2184637.

It is an arithmetic number, because the mean of its divisors is an integer number (15292375).

Almost surely, 2^56800237 is an apocalyptic number.

It is an amenable number.

56800237 is a deficient number, since it is larger than the sum of its proper divisors (4369263).

56800237 is a wasteful number, since it uses less digits than its factorization.

56800237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369262.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 56800237 is about 7536.5931958677. The cubic root of 56800237 is about 384.4000031943.

The spelling of 56800237 in words is "fifty-six million, eight hundred thousand, two hundred thirty-seven".