55054542 has 16 divisors (see below), whose sum is σ = 110633472. Its totient is φ = 18264120.

The previous prime is 55054541. The next prime is 55054553. The reversal of 55054542 is 24545055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55054541) 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, 20478 + ... + 23009.

It is an arithmetic number, because the mean of its divisors is an integer number (6914592).

Almost surely, 2^55054542 is an apocalyptic number.

55054542 is an abundant number, since it is smaller than the sum of its proper divisors (55578930).

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

55054542 is a wasteful number, since it uses less digits than its factorization.

55054542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43703.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 55054542 is about 7419.8747967873. The cubic root of 55054542 is about 380.4209140194.

Adding to 55054542 its reverse (24545055), we get a palindrome (79599597).

The spelling of 55054542 in words is "fifty-five million, fifty-four thousand, five hundred forty-two".