56818408 has 8 divisors (see below), whose sum is σ = 106534530. Its totient is φ = 28409200.

The previous prime is 56818387. The next prime is 56818409. The reversal of 56818408 is 80481865.

It can be written as a sum of positive squares in only one way, i.e., 35307364 + 21511044 = 5942^2 + 4638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (56818409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3551143 + ... + 3551158.

Almost surely, 2^56818408 is an apocalyptic number.

It is an amenable number.

56818408 is a deficient number, since it is larger than the sum of its proper divisors (49716122).

56818408 is a wasteful number, since it uses less digits than its factorization.

56818408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102307 (or 7102303 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 56818408 is about 7537.7986176337. The cubic root of 56818408 is about 384.4409900405.

The spelling of 56818408 in words is "fifty-six million, eight hundred eighteen thousand, four hundred eight".