52479263457 has 12 divisors (see below), whose sum is σ = 75814779924. Its totient is φ = 34980914400.

The previous prime is 52479263413. The next prime is 52479263479. The reversal of 52479263457 is 75436297425.

52479263457 is a `hidden beast` number, since 5 + 2 + 47 + 92 + 63 + 457 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31849399296 + 20629864161 = 178464^2 + 143631^2 .

It is not a de Polignac number, because 52479263457 - 2¹² = 52479259361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52479263257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374778 + ... + 495395.

It is an arithmetic number, because the mean of its divisors is an integer number (6317898327).

Almost surely, 2^52479263457 is an apocalyptic number.

It is an amenable number.

52479263457 is a deficient number, since it is larger than the sum of its proper divisors (23335516467).

52479263457 is a wasteful number, since it uses less digits than its factorization.

52479263457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876880 (or 876877 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 52479263457 in words is "fifty-two billion, four hundred seventy-nine million, two hundred sixty-three thousand, four hundred fifty-seven".