54591621810 has 32 divisors (see below), whose sum is σ = 142930792512. Its totient is φ = 13234332480.

The previous prime is 54591621809. The next prime is 54591621827. The reversal of 54591621810 is 1812619545.

54591621810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×54591621810² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82714249 + ... + 82714908.

It is an arithmetic number, because the mean of its divisors is an integer number (4466587266).

Almost surely, 2^54591621810 is an apocalyptic number.

54591621810 is an abundant number, since it is smaller than the sum of its proper divisors (88339170702).

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

54591621810 is a wasteful number, since it uses less digits than its factorization.

54591621810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165429178.

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 54591621810 in words is "fifty-four billion, five hundred ninety-one million, six hundred twenty-one thousand, eight hundred ten".