45554320055 has 4 divisors (see below), whose sum is σ = 54665184072. Its totient is φ = 36443456040.

The previous prime is 45554320051. The next prime is 45554320081. The reversal of 45554320055 is 55002345554.

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

It is not a de Polignac number, because 45554320055 - 2² = 45554320051 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 (45554320051) 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, 4555432001 + ... + 4555432010.

It is an arithmetic number, because the mean of its divisors is an integer number (13666296018).

Almost surely, 2^45554320055 is an apocalyptic number.

45554320055 is a deficient number, since it is larger than the sum of its proper divisors (9110864017).

45554320055 is an equidigital number, since it uses as much as digits as its factorization.

45554320055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110864016.

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

The spelling of 45554320055 in words is "forty-five billion, five hundred fifty-four million, three hundred twenty thousand, fifty-five".