54545320520 has 32 divisors (see below), whose sum is σ = 122831881920. Its totient is φ = 21799477440.

The previous prime is 54545320507. The next prime is 54545320549. The reversal of 54545320520 is 2502354545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535412 + ... + 629091.

It is an arithmetic number, because the mean of its divisors is an integer number (3838496310).

Almost surely, 2^54545320520 is an apocalyptic number.

It is an amenable number.

54545320520 is an abundant number, since it is smaller than the sum of its proper divisors (68286561400).

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

54545320520 is a wasteful number, since it uses less digits than its factorization.

54545320520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165685 (or 1165681 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 54545320520 in words is "fifty-four billion, five hundred forty-five million, three hundred twenty thousand, five hundred twenty".