54135554013 has 20 divisors (see below), whose sum is σ = 80875877280. Its totient is φ = 36087372072.

The previous prime is 54135553993. The next prime is 54135554021. The reversal of 54135554013 is 31045553145.

54135554013 is a `hidden beast` number, since 54 + 1 + 3 + 55 + 540 + 13 = 666.

It is not a de Polignac number, because 54135554013 - 2⁹ = 54135553501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54135554023) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1411456 + ... + 1449302.

It is an arithmetic number, because the mean of its divisors is an integer number (4043793864).

Almost surely, 2^54135554013 is an apocalyptic number.

It is an amenable number.

54135554013 is a deficient number, since it is larger than the sum of its proper divisors (26740323267).

54135554013 is a wasteful number, since it uses less digits than its factorization.

54135554013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55518 (or 55509 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 54135554013 in words is "fifty-four billion, one hundred thirty-five million, five hundred fifty-four thousand, thirteen".