54486220 has 24 divisors (see below), whose sum is σ = 118113408. Its totient is φ = 21091200.

The previous prime is 54486151. The next prime is 54486239. The reversal of 54486220 is 2268445.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43321 + ... + 44560.

It is an arithmetic number, because the mean of its divisors is an integer number (4921392).

Almost surely, 2^54486220 is an apocalyptic number.

It is an amenable number.

54486220 is an abundant number, since it is smaller than the sum of its proper divisors (63627188).

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

54486220 is a wasteful number, since it uses less digits than its factorization.

54486220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87921 (or 87919 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 54486220 is about 7381.4781717485. The cubic root of 54486220 is about 379.1073692777.

The spelling of 54486220 in words is "fifty-four million, four hundred eighty-six thousand, two hundred twenty".