45554055021 has 12 divisors (see below), whose sum is σ = 68237350272. Its totient is φ = 30369369852.

The previous prime is 45554055013. The next prime is 45554055031. The reversal of 45554055021 is 12055045554.

45554055021 is a `hidden beast` number, since 4 + 55 + 54 + 0 + 550 + 2 + 1 = 666.

It is not a de Polignac number, because 45554055021 - 2³ = 45554055013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45554055031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93732381 + ... + 93732866.

It is an arithmetic number, because the mean of its divisors is an integer number (5686445856).

Almost surely, 2^45554055021 is an apocalyptic number.

It is an amenable number.

45554055021 is a deficient number, since it is larger than the sum of its proper divisors (22683295251).

45554055021 is an equidigital number, since it uses as much as digits as its factorization.

45554055021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187465262 (or 187465250 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 45554055021 in words is "forty-five billion, five hundred fifty-four million, fifty-five thousand, twenty-one".