52478291525 has 48 divisors (see below), whose sum is σ = 76009777920. Its totient is φ = 35517081600.

The previous prime is 52478291477. The next prime is 52478291531. The reversal of 52478291525 is 52519287425.

It is not a de Polignac number, because 52478291525 - 2⁸ = 52478291269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 353012 + ... + 479138.

It is an arithmetic number, because the mean of its divisors is an integer number (1583537040).

Almost surely, 2^52478291525 is an apocalyptic number.

52478291525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52478291525 is a deficient number, since it is larger than the sum of its proper divisors (23531486395).

52478291525 is a wasteful number, since it uses less digits than its factorization.

52478291525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126254 (or 126249 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 50.

The spelling of 52478291525 in words is "fifty-two billion, four hundred seventy-eight million, two hundred ninety-one thousand, five hundred twenty-five".