56173306 has 12 divisors (see below), whose sum is σ = 98016858. Its totient is φ = 24074232.

The previous prime is 56173303. The next prime is 56173309. The reversal of 56173306 is 60337165.

It is an interprime number because it is at equal distance from previous prime (56173303) and next prime (56173309).

It can be written as a sum of positive squares in only one way, i.e., 47734281 + 8439025 = 6909^2 + 2905^2 .

It is not an unprimeable number, because it can be changed into a prime (56173301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286501 + ... + 286696.

Almost surely, 2^56173306 is an apocalyptic number.

56173306 is a deficient number, since it is larger than the sum of its proper divisors (41843552).

56173306 is a wasteful number, since it uses less digits than its factorization.

56173306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573213 (or 573206 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 56173306 is about 7494.8853226717. The cubic root of 56173306 is about 382.9804997037.

The spelling of 56173306 in words is "fifty-six million, one hundred seventy-three thousand, three hundred six".