2553563247 has 16 divisors (see below), whose sum is σ = 3613006080. Its totient is φ = 1600757312.

The previous prime is 2553563203. The next prime is 2553563249. The reversal of 2553563247 is 7423653552.

It is not a de Polignac number, because 2553563247 - 2¹⁸ = 2553301103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2553563199 and 2553563208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553563249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309558 + ... + 317699.

It is an arithmetic number, because the mean of its divisors is an integer number (225812880).

Almost surely, 2^2553563247 is an apocalyptic number.

2553563247 is a deficient number, since it is larger than the sum of its proper divisors (1059442833).

2553563247 is a wasteful number, since it uses less digits than its factorization.

2553563247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627342.

The product of its digits is 756000, while the sum is 42.

The square root of 2553563247 is about 50532.7937779023. The cubic root of 2553563247 is about 1366.8332645675.

The spelling of 2553563247 in words is "two billion, five hundred fifty-three million, five hundred sixty-three thousand, two hundred forty-seven".