54578844 has 36 divisors (see below), whose sum is σ = 140902944. Its totient is φ = 17805312.

The previous prime is 54578837. The next prime is 54578851. The reversal of 54578844 is 44887545.

It is an interprime number because it is at equal distance from previous prime (54578837) and next prime (54578851).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 54578844.

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, 14437 + ... + 17820.

Almost surely, 2^54578844 is an apocalyptic number.

It is an amenable number.

54578844 is an abundant number, since it is smaller than the sum of its proper divisors (86324100).

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

54578844 is a wasteful number, since it uses less digits than its factorization.

54578844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32314 (or 32309 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 54578844 is about 7387.7495896924. The cubic root of 54578844 is about 379.3220692031.

The spelling of 54578844 in words is "fifty-four million, five hundred seventy-eight thousand, eight hundred forty-four".