54445542 has 16 divisors (see below), whose sum is σ = 109106352. Its totient is φ = 18112640.

The previous prime is 54445541. The next prime is 54445561. The reversal of 54445542 is 24554445.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54445541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5583 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (6819147).

Almost surely, 2^54445542 is an apocalyptic number.

54445542 is an abundant number, since it is smaller than the sum of its proper divisors (54660810).

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

54445542 is a wasteful number, since it uses less digits than its factorization.

54445542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17943.

The product of its digits is 64000, while the sum is 33.

The square root of 54445542 is about 7378.7222471103. The cubic root of 54445542 is about 379.0130018769.

Adding to 54445542 its reverse (24554445), we get a palindrome (78999987).

The spelling of 54445542 in words is "fifty-four million, four hundred forty-five thousand, five hundred forty-two".