54203345525 has 18 divisors (see below), whose sum is σ = 78185562210. Its totient is φ = 37168007520.

The previous prime is 54203345501. The next prime is 54203345533. The reversal of 54203345525 is 52554330245.

It can be written as a sum of positive squares in 3 ways, for example, as 13201550404 + 41001795121 = 114898^2 + 202489^2 .

It is not a de Polignac number, because 54203345525 - 2⁶ = 54203345461 is a prime.

It is a super-2 number, since 2×54203345525² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22122590 + ... + 22125039.

It is an arithmetic number, because the mean of its divisors is an integer number (4343642345).

Almost surely, 2^54203345525 is an apocalyptic number.

It is an amenable number.

54203345525 is a deficient number, since it is larger than the sum of its proper divisors (23982216685).

54203345525 is a wasteful number, since it uses less digits than its factorization.

54203345525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44247653 (or 44247641 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 54203345525 in words is "fifty-four billion, two hundred three million, three hundred forty-five thousand, five hundred twenty-five".