54115540155 has 64 divisors (see below), whose sum is σ = 97955712000. Its totient is φ = 28337734656.

The previous prime is 54115540147. The next prime is 54115540159. The reversal of 54115540155 is 55104551145.

54115540155 is a `hidden beast` number, since 5 + 411 + 55 + 40 + 155 = 666.

It is not a de Polignac number, because 54115540155 - 2³ = 54115540147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54115540159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7316139 + ... + 7323531.

It is an arithmetic number, because the mean of its divisors is an integer number (1530558000).

Almost surely, 2^54115540155 is an apocalyptic number.

54115540155 is a deficient number, since it is larger than the sum of its proper divisors (43840171845).

54115540155 is a wasteful number, since it uses less digits than its factorization.

54115540155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385 (or 8379 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 54115540155 in words is "fifty-four billion, one hundred fifteen million, five hundred forty thousand, one hundred fifty-five".