56406318 has 8 divisors (see below), whose sum is σ = 112812648. Its totient is φ = 18802104.

The previous prime is 56406299. The next prime is 56406319. The reversal of 56406318 is 81360465.

It is a sphenic number, since it is the product of 3 distinct primes.

56406318 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56406319) 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, 4700521 + ... + 4700532.

It is an arithmetic number, because the mean of its divisors is an integer number (14101581).

Almost surely, 2^56406318 is an apocalyptic number.

56406318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56406318 is a wasteful number, since it uses less digits than its factorization.

56406318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401058.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 56406318 is about 7510.4139699487. The cubic root of 56406318 is about 383.5093152066.

The spelling of 56406318 in words is "fifty-six million, four hundred six thousand, three hundred eighteen".