56680465 has 8 divisors (see below), whose sum is σ = 72017640. Its totient is φ = 42676992.

The previous prime is 56680457. The next prime is 56680501. The reversal of 56680465 is 56408665.

It can be written as a sum of positive squares in 4 ways, for example, as 10969344 + 45711121 = 3312^2 + 6761^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56680465 - 2³ = 56680457 is a prime.

It is a super-2 number, since 2×56680465² = 6425350225232450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333330 + ... + 333499.

It is an arithmetic number, because the mean of its divisors is an integer number (9002205).

Almost surely, 2^56680465 is an apocalyptic number.

It is an amenable number.

56680465 is a deficient number, since it is larger than the sum of its proper divisors (15337175).

56680465 is a wasteful number, since it uses less digits than its factorization.

56680465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666851.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 56680465 is about 7528.6429720103. The cubic root of 56680465 is about 384.1296242978.

The spelling of 56680465 in words is "fifty-six million, six hundred eighty thousand, four hundred sixty-five".