45554033221 has 16 divisors (see below), whose sum is σ = 49444553088. Its totient is φ = 41799513600.

The previous prime is 45554033207. The next prime is 45554033249. The reversal of 45554033221 is 12233045554.

45554033221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45554033221 - 2⁹ = 45554032709 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 (45554033251) 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, 1011616 + ... + 1055686.

It is an arithmetic number, because the mean of its divisors is an integer number (3090284568).

Almost surely, 2^45554033221 is an apocalyptic number.

45554033221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45554033221 is a deficient number, since it is larger than the sum of its proper divisors (3890519867).

45554033221 is a wasteful number, since it uses less digits than its factorization.

45554033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45612.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 45554033221 its reverse (12233045554), we get a palindrome (57787078775).

The spelling of 45554033221 in words is "forty-five billion, five hundred fifty-four million, thirty-three thousand, two hundred twenty-one".