2553568437 has 24 divisors (see below), whose sum is σ = 3988427968. Its totient is φ = 1423572480.

The previous prime is 2553568427. The next prime is 2553568469. The reversal of 2553568437 is 7348653552.

It is a happy number.

It is not a de Polignac number, because 2553568437 - 2¹⁰ = 2553567413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553568427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868 + ... + 71469.

Almost surely, 2^2553568437 is an apocalyptic number.

It is an amenable number.

2553568437 is a deficient number, since it is larger than the sum of its proper divisors (1434859531).

2553568437 is an equidigital number, since it uses as much as digits as its factorization.

2553568437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72429 (or 72388 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 48.

The square root of 2553568437 is about 50532.8451306672. The cubic root of 2553568437 is about 1366.8341905754.

The spelling of 2553568437 in words is "two billion, five hundred fifty-three million, five hundred sixty-eight thousand, four hundred thirty-seven".