56417240 has 32 divisors (see below), whose sum is σ = 138479760. Its totient is φ = 20515200.

The previous prime is 56417191. The next prime is 56417243. The reversal of 56417240 is 4271465.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56417243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63671 + ... + 64550.

Almost surely, 2^56417240 is an apocalyptic number.

It is an amenable number.

56417240 is an abundant number, since it is smaller than the sum of its proper divisors (82062520).

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

56417240 is a wasteful number, since it uses less digits than its factorization.

56417240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128243 (or 128239 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 56417240 is about 7511.1410584544. The cubic root of 56417240 is about 383.5340666798.

The spelling of 56417240 in words is "fifty-six million, four hundred seventeen thousand, two hundred forty".