54221045125 has 16 divisors (see below), whose sum is σ = 72873086832. Its totient is φ = 40040155200.

The previous prime is 54221045107. The next prime is 54221045149. The reversal of 54221045125 is 52154012245.

It can be written as a sum of positive squares in 8 ways, for example, as 40875943684 + 13345101441 = 202178^2 + 115521^2 .

It is not a de Polignac number, because 54221045125 - 2⁵ = 54221045093 is a prime.

It is a congruent number.

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, 16681774 + ... + 16685023.

It is an arithmetic number, because the mean of its divisors is an integer number (4554567927).

Almost surely, 2^54221045125 is an apocalyptic number.

It is an amenable number.

54221045125 is a deficient number, since it is larger than the sum of its proper divisors (18652041707).

54221045125 is a wasteful number, since it uses less digits than its factorization.

54221045125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33366825 (or 33366815 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 54221045125 in words is "fifty-four billion, two hundred twenty-one million, forty-five thousand, one hundred twenty-five".