5202155549 has 4 divisors (see below), whose sum is σ = 5202470364. Its totient is φ = 5201840736.

The previous prime is 5202155537. The next prime is 5202155627. The reversal of 5202155549 is 9455512025.

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 120604324 + 5081551225 = 10982^2 + 71285^2 .

It is a cyclic number.

It is not a de Polignac number, because 5202155549 - 2³² = 907188253 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 (5202155509) 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, 131162 + ... + 166155.

It is an arithmetic number, because the mean of its divisors is an integer number (1300617591).

Almost surely, 2^5202155549 is an apocalyptic number.

It is an amenable number.

5202155549 is a deficient number, since it is larger than the sum of its proper divisors (314815).

5202155549 is a wasteful number, since it uses less digits than its factorization.

5202155549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314814.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 5202155549 is about 72125.9700038759. The cubic root of 5202155549 is about 1732.7175648986.

The spelling of 5202155549 in words is "five billion, two hundred two million, one hundred fifty-five thousand, five hundred forty-nine".