56455567 has 4 divisors (see below), whose sum is σ = 64520656. Its totient is φ = 48390480.

The previous prime is 56455559. The next prime is 56455573. The reversal of 56455567 is 76555465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56455567 - 2³ = 56455559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56455537) 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, 4032534 + ... + 4032547.

It is an arithmetic number, because the mean of its divisors is an integer number (16130164).

Almost surely, 2^56455567 is an apocalyptic number.

56455567 is a deficient number, since it is larger than the sum of its proper divisors (8065089).

56455567 is an equidigital number, since it uses as much as digits as its factorization.

56455567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065088.

The product of its digits is 630000, while the sum is 43.

The square root of 56455567 is about 7513.6919686663. The cubic root of 56455567 is about 383.6208981914.

The spelling of 56455567 in words is "fifty-six million, four hundred fifty-five thousand, five hundred sixty-seven".