54452220 has 48 divisors (see below), whose sum is σ = 152923680. Its totient is φ = 14477056.

The previous prime is 54452219. The next prime is 54452267. The reversal of 54452220 is 2225445.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22174 + ... + 24506.

It is an arithmetic number, because the mean of its divisors is an integer number (3185910).

Almost surely, 2^54452220 is an apocalyptic number.

It is an amenable number.

54452220 is an abundant number, since it is smaller than the sum of its proper divisors (98471460).

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

54452220 is a wasteful number, since it uses less digits than its factorization.

54452220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 54452220 is about 7379.1747506073. The cubic root of 54452220 is about 379.0284971483.

Adding to 54452220 its reverse (2225445), we get a palindrome (56677665).

The spelling of 54452220 in words is "fifty-four million, four hundred fifty-two thousand, two hundred twenty".