54290220 has 48 divisors (see below), whose sum is σ = 160016640. Its totient is φ = 13715136.

The previous prime is 54290219. The next prime is 54290261. The reversal of 54290220 is 2209245.

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, 22672 + ... + 24951.

It is an arithmetic number, because the mean of its divisors is an integer number (3333680).

Almost surely, 2^54290220 is an apocalyptic number.

It is an amenable number.

54290220 is an abundant number, since it is smaller than the sum of its proper divisors (105726420).

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

54290220 is a wasteful number, since it uses less digits than its factorization.

54290220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47654 (or 47652 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 54290220 is about 7368.1897369707. The cubic root of 54290220 is about 378.6522430668.

Adding to 54290220 its reverse (2209245), we get a palindrome (56499465).

The spelling of 54290220 in words is "fifty-four million, two hundred ninety thousand, two hundred twenty".