56545454 has 32 divisors (see below), whose sum is σ = 102698496. Its totient is φ = 22825440.

The previous prime is 56545453. The next prime is 56545481. The reversal of 56545454 is 45454565.

56545454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-3 number, since 3×56545454³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56545453) 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, 20264 + ... + 22884.

It is an arithmetic number, because the mean of its divisors is an integer number (3209328).

Almost surely, 2^56545454 is an apocalyptic number.

56545454 is a deficient number, since it is larger than the sum of its proper divisors (46153042).

56545454 is a wasteful number, since it uses less digits than its factorization.

56545454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720.

The product of its digits is 240000, while the sum is 38.

The square root of 56545454 is about 7519.6711364261. The cubic root of 56545454 is about 383.8243871118.

The spelling of 56545454 in words is "fifty-six million, five hundred forty-five thousand, four hundred fifty-four".