54449220 has 48 divisors (see below), whose sum is σ = 174238848. Its totient is φ = 12445440.

The previous prime is 54449209. The next prime is 54449251. The reversal of 54449220 is 2294445.

54449220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64401 + ... + 65240.

It is an arithmetic number, because the mean of its divisors is an integer number (3629976).

Almost surely, 2^54449220 is an apocalyptic number.

It is an amenable number.

54449220 is an abundant number, since it is smaller than the sum of its proper divisors (119789628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54449220 is a wasteful number, since it uses less digits than its factorization.

54449220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129660 (or 129658 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 54449220 is about 7378.9714730442. The cubic root of 54449220 is about 379.0215362667.

The spelling of 54449220 in words is "fifty-four million, four hundred forty-nine thousand, two hundred twenty".