54581806825 has 72 divisors (see below), whose sum is σ = 89250745920. Its totient is φ = 32729961600.

The previous prime is 54581806819. The next prime is 54581806837. The reversal of 54581806825 is 52860818545.

54581806825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54581806825 - 2¹¹ = 54581804777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 212380 + ... + 392770.

Almost surely, 2^54581806825 is an apocalyptic number.

It is an amenable number.

54581806825 is a deficient number, since it is larger than the sum of its proper divisors (34668939095).

54581806825 is a wasteful number, since it uses less digits than its factorization.

54581806825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180447 (or 180435 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 52.

The spelling of 54581806825 in words is "fifty-four billion, five hundred eighty-one million, eight hundred six thousand, eight hundred twenty-five".