54747908560 has 80 divisors (see below), whose sum is σ = 129389285520. Its totient is φ = 21540372480.

The previous prime is 54747908543. The next prime is 54747908569. The reversal of 54747908560 is 6580974745.

It can be written as a sum of positive squares in 8 ways, for example, as 11731489344 + 43016419216 = 108312^2 + 207404^2 .

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 (54747908569) 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, 1354240 + ... + 1394080.

It is an arithmetic number, because the mean of its divisors is an integer number (1617366069).

Almost surely, 2^54747908560 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 54747908560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64694642760).

54747908560 is an abundant number, since it is smaller than the sum of its proper divisors (74641376960).

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

54747908560 is a wasteful number, since it uses less digits than its factorization.

54747908560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40136 (or 40130 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 54747908560 in words is "fifty-four billion, seven hundred forty-seven million, nine hundred eight thousand, five hundred sixty".