2553900169 has 4 divisors (see below), whose sum is σ = 2558389140. Its totient is φ = 2549411200.

The previous prime is 2553900163. The next prime is 2553900199. The reversal of 2553900169 is 9610093552.

It is a happy number.

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 506790144 + 2047110025 = 22512^2 + 45245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553900169 - 2⁹ = 2553899657 is a prime.

It is a super-2 number, since 2×2553900169² = 13044812146436457122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553900163) 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, 2243632 + ... + 2244769.

It is an arithmetic number, because the mean of its divisors is an integer number (639597285).

Almost surely, 2^2553900169 is an apocalyptic number.

It is an amenable number.

2553900169 is a deficient number, since it is larger than the sum of its proper divisors (4488971).

2553900169 is an equidigital number, since it uses as much as digits as its factorization.

2553900169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488970.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 2553900169 is about 50536.1273644904. The cubic root of 2553900169 is about 1366.8933761188.

The spelling of 2553900169 in words is "two billion, five hundred fifty-three million, nine hundred thousand, one hundred sixty-nine".