54240515125 has 8 divisors (see below), whose sum is σ = 67692163032. Its totient is φ = 43392412000.

The previous prime is 54240515117. The next prime is 54240515159. The reversal of 54240515125 is 52151504245.

It can be written as a sum of positive squares in 4 ways, for example, as 15040079044 + 39200436081 = 122638^2 + 197991^2 .

It is not a de Polignac number, because 54240515125 - 2³ = 54240515117 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216961936 + ... + 216962185.

It is an arithmetic number, because the mean of its divisors is an integer number (8461520379).

Almost surely, 2^54240515125 is an apocalyptic number.

It is an amenable number.

54240515125 is a deficient number, since it is larger than the sum of its proper divisors (13451647907).

54240515125 is an equidigital number, since it uses as much as digits as its factorization.

54240515125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433924136 (or 433924126 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 54240515125 in words is "fifty-four billion, two hundred forty million, five hundred fifteen thousand, one hundred twenty-five".