54521341400560 has 160 divisors (see below), whose sum is σ = 133556075078400. Its totient is φ = 20641798840320.

The previous prime is 54521341400479. The next prime is 54521341400621. The reversal of 54521341400560 is 6500414312545.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 13954782127 + ... + 13954786033.

It is an arithmetic number, because the mean of its divisors is an integer number (834725469240).

Almost surely, 2^{54521341400560} 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 54521341400560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66778037539200).

54521341400560 is an abundant number, since it is smaller than the sum of its proper divisors (79034733677840).

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

54521341400560 is a wasteful number, since it uses less digits than its factorization.

54521341400560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999 (or 9993 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 54521341400560 in words is "fifty-four trillion, five hundred twenty-one billion, three hundred forty-one million, four hundred thousand, five hundred sixty".