56545455 has 16 divisors (see below), whose sum is σ = 91353600. Its totient is φ = 29863968.

The previous prime is 56545453. The next prime is 56545481. The reversal of 56545455 is 55454565.

It is a happy number.

It is not a de Polignac number, because 56545455 - 2¹ = 56545453 is a prime.

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, 16755 + ... + 19844.

It is an arithmetic number, because the mean of its divisors is an integer number (5709600).

Almost surely, 2^56545455 is an apocalyptic number.

56545455 is a deficient number, since it is larger than the sum of its proper divisors (34808145).

56545455 is a wasteful number, since it uses less digits than its factorization.

56545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36710.

The product of its digits is 300000, while the sum is 39.

The square root of 56545455 is about 7519.6712029184. The cubic root of 56545455 is about 383.8243893744.

The spelling of 56545455 in words is "fifty-six million, five hundred forty-five thousand, four hundred fifty-five".