54455890944 has 352 divisors, whose sum is σ = 180124471296. Its totient is φ = 14242775040.

The previous prime is 54455890939. The next prime is 54455890963. The reversal of 54455890944 is 44909855445.

It is a happy number.

It is a super-2 number, since 2×54455890944² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36620569 + ... + 36622055.

It is an arithmetic number, because the mean of its divisors is an integer number (511717248).

Almost surely, 2^54455890944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54455890944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90062235648).

54455890944 is an abundant number, since it is smaller than the sum of its proper divisors (125668580352).

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

54455890944 is a wasteful number, since it uses less digits than its factorization.

54455890944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 57.

The spelling of 54455890944 in words is "fifty-four billion, four hundred fifty-five million, eight hundred ninety thousand, nine hundred forty-four".