55440555023 has 32 divisors (see below), whose sum is σ = 69080169600. Its totient is φ = 43403157504.

The previous prime is 55440555007. The next prime is 55440555047. The reversal of 55440555023 is 32055504455.

55440555023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55440555023 - 2⁴ = 55440555007 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 (55440555073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1696583 + ... + 1728951.

It is an arithmetic number, because the mean of its divisors is an integer number (2158755300).

Almost surely, 2^55440555023 is an apocalyptic number.

55440555023 is a deficient number, since it is larger than the sum of its proper divisors (13639614577).

55440555023 is a wasteful number, since it uses less digits than its factorization.

55440555023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32819.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 55440555023 in words is "fifty-five billion, four hundred forty million, five hundred fifty-five thousand, twenty-three".