54939123720 has 1024 divisors, whose sum is σ = 219861734400. Its totient is φ = 12076646400.

The previous prime is 54939123691. The next prime is 54939123727. The reversal of 54939123720 is 2732193945.

54939123720 is a `hidden beast` number, since 5 + 4 + 9 + 391 + 237 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (54939123727) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 543951670 + ... + 543951770.

It is an arithmetic number, because the mean of its divisors is an integer number (214708725).

Almost surely, 2^54939123720 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 54939123720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109930867200).

54939123720 is an abundant number, since it is smaller than the sum of its proper divisors (164922610680).

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

54939123720 is a wasteful number, since it uses less digits than its factorization.

54939123720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 54939123720 in words is "fifty-four billion, nine hundred thirty-nine million, one hundred twenty-three thousand, seven hundred twenty".