56173037 has 4 divisors (see below), whose sum is σ = 57368256. Its totient is φ = 54977820.

The previous prime is 56173027. The next prime is 56173099. The reversal of 56173037 is 73037165.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73037165 = 5 ⋅14607433.

It is a cyclic number.

It is not a de Polignac number, because 56173037 - 2⁴ = 56173021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56172994 and 56173012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56173027) 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, 597539 + ... + 597632.

It is an arithmetic number, because the mean of its divisors is an integer number (14342064).

Almost surely, 2^56173037 is an apocalyptic number.

It is an amenable number.

56173037 is a deficient number, since it is larger than the sum of its proper divisors (1195219).

56173037 is a wasteful number, since it uses less digits than its factorization.

56173037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195218.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 56173037 is about 7494.8673770788. The cubic root of 56173037 is about 382.9798883699.

The spelling of 56173037 in words is "fifty-six million, one hundred seventy-three thousand, thirty-seven".