54542201220 has 72 divisors (see below), whose sum is σ = 178171198296. Its totient is φ = 13425772032.

The previous prime is 54542201213. The next prime is 54542201237. The reversal of 54542201220 is 2210224545.

54542201220 is a `hidden beast` number, since 5 + 454 + 2 + 201 + 2 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2001309696 + 52540891524 = 44736^2 + 229218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11651977 + ... + 11656656.

Almost surely, 2^54542201220 is an apocalyptic number.

It is an amenable number.

54542201220 is an abundant number, since it is smaller than the sum of its proper divisors (123628997076).

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

54542201220 is a wasteful number, since it uses less digits than its factorization.

54542201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23308661 (or 23308656 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 54542201220 its reverse (2210224545), we get a palindrome (56752425765).

The spelling of 54542201220 in words is "fifty-four billion, five hundred forty-two million, two hundred one thousand, two hundred twenty".