56173340 has 12 divisors (see below), whose sum is σ = 117964056. Its totient is φ = 22469328.

The previous prime is 56173339. The next prime is 56173343. The reversal of 56173340 is 4337165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56173343) 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, 1404314 + ... + 1404353.

It is an arithmetic number, because the mean of its divisors is an integer number (9830338).

Almost surely, 2^56173340 is an apocalyptic number.

It is an amenable number.

56173340 is an abundant number, since it is smaller than the sum of its proper divisors (61790716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56173340 is a wasteful number, since it uses less digits than its factorization.

56173340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808676 (or 2808674 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 56173340 is about 7494.8875908849. The cubic root of 56173340 is about 382.9805769725.

The spelling of 56173340 in words is "fifty-six million, one hundred seventy-three thousand, three hundred forty".