55440054 has 24 divisors (see below), whose sum is σ = 124263360. Its totient is φ = 17842608.

The previous prime is 55440037. The next prime is 55440071. The reversal of 55440054 is 45004455.

It is an interprime number because it is at equal distance from previous prime (55440037) and next prime (55440071).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52582 + ... + 53625.

It is an arithmetic number, because the mean of its divisors is an integer number (5177640).

Almost surely, 2^55440054 is an apocalyptic number.

55440054 is an abundant number, since it is smaller than the sum of its proper divisors (68823306).

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

55440054 is a wasteful number, since it uses less digits than its factorization.

55440054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106244 (or 106241 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 55440054 is about 7445.8078137970. The cubic root of 55440054 is about 381.3067981669.

The spelling of 55440054 in words is "fifty-five million, four hundred forty thousand, fifty-four".