54551012520 has 64 divisors (see below), whose sum is σ = 165958035840. Its totient is φ = 14342048000.

The previous prime is 54551012491. The next prime is 54551012561. The reversal of 54551012520 is 2521015545.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3192831 + ... + 3209870.

It is an arithmetic number, because the mean of its divisors is an integer number (2593094310).

Almost surely, 2^54551012520 is an apocalyptic number.

It is an amenable number.

54551012520 is an abundant number, since it is smaller than the sum of its proper divisors (111407023320).

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

54551012520 is a wasteful number, since it uses less digits than its factorization.

54551012520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402786 (or 6402782 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 54551012520 in words is "fifty-four billion, five hundred fifty-one million, twelve thousand, five hundred twenty".