54213268525 has 24 divisors (see below), whose sum is σ = 72407318760. Its totient is φ = 40027914240.

The previous prime is 54213268511. The next prime is 54213268531. The reversal of 54213268525 is 52586231245.

It can be written as a sum of positive squares in 12 ways, for example, as 4543568836 + 49669699689 = 67406^2 + 222867^2 .

It is not a de Polignac number, because 54213268525 - 2³³ = 45623333933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3069921 + ... + 3087529.

It is an arithmetic number, because the mean of its divisors is an integer number (3016971615).

Almost surely, 2^54213268525 is an apocalyptic number.

It is an amenable number.

54213268525 is a deficient number, since it is larger than the sum of its proper divisors (18194050235).

54213268525 is a wasteful number, since it uses less digits than its factorization.

54213268525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27105 (or 27100 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The spelling of 54213268525 in words is "fifty-four billion, two hundred thirteen million, two hundred sixty-eight thousand, five hundred twenty-five".