56405338 has 32 divisors (see below), whose sum is σ = 101399040. Its totient is φ = 23229360.

The previous prime is 56405333. The next prime is 56405341. The reversal of 56405338 is 83350465.

It is not an unprimeable number, because it can be changed into a prime (56405333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6681 + ... + 12547.

It is an arithmetic number, because the mean of its divisors is an integer number (3168720).

Almost surely, 2^56405338 is an apocalyptic number.

56405338 is a deficient number, since it is larger than the sum of its proper divisors (44993702).

56405338 is a wasteful number, since it uses less digits than its factorization.

56405338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 56405338 is about 7510.3487269234. The cubic root of 56405338 is about 383.5070941711.

The spelling of 56405338 in words is "fifty-six million, four hundred five thousand, three hundred thirty-eight".