54181530135 has 48 divisors (see below), whose sum is σ = 96356070720. Its totient is φ = 28147822080.

The previous prime is 54181530097. The next prime is 54181530149. The reversal of 54181530135 is 53103518145.

It is a happy number.

54181530135 is a `hidden beast` number, since 5 + 41 + 81 + 530 + 1 + 3 + 5 = 666.

54181530135 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 54181530135 - 2¹² = 54181526039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54181530135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1171021 + ... + 1216409.

It is an arithmetic number, because the mean of its divisors is an integer number (2007418140).

Almost surely, 2^54181530135 is an apocalyptic number.

54181530135 is a deficient number, since it is larger than the sum of its proper divisors (42174540585).

54181530135 is a wasteful number, since it uses less digits than its factorization.

54181530135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46088 (or 46085 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 54181530135 in words is "fifty-four billion, one hundred eighty-one million, five hundred thirty thousand, one hundred thirty-five".