54440220 has 48 divisors (see below), whose sum is σ = 153044640. Its totient is φ = 14459136.

The previous prime is 54440219. The next prime is 54440233. The reversal of 54440220 is 2204445.

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, 14454 + ... + 17826.

It is an arithmetic number, because the mean of its divisors is an integer number (3188430).

Almost surely, 2^54440220 is an apocalyptic number.

It is an amenable number.

54440220 is an abundant number, since it is smaller than the sum of its proper divisors (98604420).

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

54440220 is a wasteful number, since it uses less digits than its factorization.

54440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 54440220 is about 7378.3616067525. The cubic root of 54440220 is about 379.0006520875. Note that the first 3 decimals are identical.

Adding to 54440220 its reverse (2204445), we get a palindrome (56644665).

The spelling of 54440220 in words is "fifty-four million, four hundred forty thousand, two hundred twenty".