54220542 has 16 divisors (see below), whose sum is σ = 108691200. Its totient is φ = 18031832.

The previous prime is 54220513. The next prime is 54220553. The reversal of 54220542 is 24502245.

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 7 ways as a sum of consecutive naturals, for example, 7542 + ... + 12857.

It is an arithmetic number, because the mean of its divisors is an integer number (6793200).

Almost surely, 2^54220542 is an apocalyptic number.

54220542 is an abundant number, since it is smaller than the sum of its proper divisors (54470658).

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

54220542 is a wasteful number, since it uses less digits than its factorization.

54220542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20847.

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

The square root of 54220542 is about 7363.4599204450. The cubic root of 54220542 is about 378.4901817949.

Adding to 54220542 its reverse (24502245), we get a palindrome (78722787).

The spelling of 54220542 in words is "fifty-four million, two hundred twenty thousand, five hundred forty-two".