54731517040 has 80 divisors (see below), whose sum is σ = 134971182720. Its totient is φ = 20581966080.

The previous prime is 54731517031. The next prime is 54731517047. The reversal of 54731517040 is 4071513745.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54731517047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61687 + ... + 336553.

It is an arithmetic number, because the mean of its divisors is an integer number (1687139784).

Almost surely, 2^54731517040 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 54731517040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67485591360).

54731517040 is an abundant number, since it is smaller than the sum of its proper divisors (80239665680).

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

54731517040 is a wasteful number, since it uses less digits than its factorization.

54731517040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275030 (or 275024 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 54731517040 in words is "fifty-four billion, seven hundred thirty-one million, five hundred seventeen thousand, forty".