56406394 has 8 divisors (see below), whose sum is σ = 92301408. Its totient is φ = 25639260.

The previous prime is 56406377. The next prime is 56406403. The reversal of 56406394 is 49360465.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281942 + ... + 1281985.

It is an arithmetic number, because the mean of its divisors is an integer number (11537676).

Almost surely, 2^56406394 is an apocalyptic number.

56406394 is a deficient number, since it is larger than the sum of its proper divisors (35895014).

56406394 is a wasteful number, since it uses less digits than its factorization.

56406394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563940.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 56406394 is about 7510.4190295882. The cubic root of 56406394 is about 383.5094874491.

The spelling of 56406394 in words is "fifty-six million, four hundred six thousand, three hundred ninety-four".