52500002549 has 4 divisors (see below), whose sum is σ = 52502102220. Its totient is φ = 52497902880.

The previous prime is 52500002501. The next prime is 52500002573. The reversal of 52500002549 is 94520000525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15681300625 + 36818701924 = 125225^2 + 191882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52500002549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52500002449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011872 + ... + 1062489.

It is an arithmetic number, because the mean of its divisors is an integer number (13125525555).

Almost surely, 2^52500002549 is an apocalyptic number.

It is an amenable number.

52500002549 is a deficient number, since it is larger than the sum of its proper divisors (2099671).

52500002549 is a wasteful number, since it uses less digits than its factorization.

52500002549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099670.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 52500002549 in words is "fifty-two billion, five hundred million, two thousand, five hundred forty-nine".