54971617944 has 16 divisors (see below), whose sum is σ = 137429044920. Its totient is φ = 18323872640.

The previous prime is 54971617927. The next prime is 54971617993. The reversal of 54971617944 is 44971617945.

It is a super-2 number, since 2×54971617944² (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 3 ways as a sum of consecutive naturals, for example, 1145242017 + ... + 1145242064.

Almost surely, 2^54971617944 is an apocalyptic number.

It is an amenable number.

54971617944 is an abundant number, since it is smaller than the sum of its proper divisors (82457426976).

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

54971617944 is a wasteful number, since it uses less digits than its factorization.

54971617944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290484090 (or 2290484086 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

Subtracting from 54971617944 its reverse (44971617945), we obtain a palindrome (9999999999).

The spelling of 54971617944 in words is "fifty-four billion, nine hundred seventy-one million, six hundred seventeen thousand, nine hundred forty-four".