52503005257 has 8 divisors (see below), whose sum is σ = 54788296896. Its totient is φ = 50217926352.

The previous prime is 52503005231. The next prime is 52503005267. The reversal of 52503005257 is 75250030525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52503005257 - 2⁷ = 52503005129 is a prime.

It is a super-2 number, since 2×52503005257² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52503005267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647998 + ... + 724504.

It is an arithmetic number, because the mean of its divisors is an integer number (6848537112).

Almost surely, 2^52503005257 is an apocalyptic number.

It is an amenable number.

52503005257 is a deficient number, since it is larger than the sum of its proper divisors (2285291639).

52503005257 is a wasteful number, since it uses less digits than its factorization.

52503005257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106367.

The product of its (nonzero) digits is 52500, while the sum is 34.

The spelling of 52503005257 in words is "fifty-two billion, five hundred three million, five thousand, two hundred fifty-seven".