54040111555 has 16 divisors (see below), whose sum is σ = 67787366400. Its totient is φ = 41307907680.

The previous prime is 54040111549. The next prime is 54040111579. The reversal of 54040111555 is 55511104045.

It is not a de Polignac number, because 54040111555 - 2¹⁷ = 54039980483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 2194375 + ... + 2218864.

It is an arithmetic number, because the mean of its divisors is an integer number (4236710400).

Almost surely, 2^54040111555 is an apocalyptic number.

54040111555 is a deficient number, since it is larger than the sum of its proper divisors (13747254845).

54040111555 is a wasteful number, since it uses less digits than its factorization.

54040111555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413354.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 54040111555 in words is "fifty-four billion, forty million, one hundred eleven thousand, five hundred fifty-five".