55118454 has 16 divisors (see below), whose sum is σ = 116721648. Its totient is φ = 17292032.

The previous prime is 55118443. The next prime is 55118489. The reversal of 55118454 is 45481155.

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, 270087 + ... + 270290.

It is an arithmetic number, because the mean of its divisors is an integer number (7295103).

Almost surely, 2^55118454 is an apocalyptic number.

55118454 is an abundant number, since it is smaller than the sum of its proper divisors (61603194).

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

55118454 is a wasteful number, since it uses less digits than its factorization.

55118454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540399.

The product of its digits is 16000, while the sum is 33.

The square root of 55118454 is about 7424.1803588006. The cubic root of 55118454 is about 380.5680654215.

The spelling of 55118454 in words is "fifty-five million, one hundred eighteen thousand, four hundred fifty-four".