56554858043 has 4 divisors (see below), whose sum is σ = 56561888928. Its totient is φ = 56547827160.

The previous prime is 56554858039. The next prime is 56554858057. The reversal of 56554858043 is 34085845565.

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 56554858043 - 2² = 56554858039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56554858013) 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, 3503363 + ... + 3519468.

It is an arithmetic number, because the mean of its divisors is an integer number (14140472232).

Almost surely, 2^56554858043 is an apocalyptic number.

56554858043 is a deficient number, since it is larger than the sum of its proper divisors (7030885).

56554858043 is an equidigital number, since it uses as much as digits as its factorization.

56554858043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030884.

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 56554858043 in words is "fifty-six billion, five hundred fifty-four million, eight hundred fifty-eight thousand, forty-three".