2552543553 has 32 divisors (see below), whose sum is σ = 3931785216. Its totient is φ = 1442827008.

The previous prime is 2552543549. The next prime is 2552543561. The reversal of 2552543553 is 3553452552.

It is a happy number.

It is not a de Polignac number, because 2552543553 - 2² = 2552543549 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2552543453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952326 + ... + 1953632.

It is an arithmetic number, because the mean of its divisors is an integer number (122868288).

Almost surely, 2^2552543553 is an apocalyptic number.

It is an amenable number.

2552543553 is a deficient number, since it is larger than the sum of its proper divisors (1379241663).

2552543553 is a wasteful number, since it uses less digits than its factorization.

2552543553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253.

The product of its digits is 450000, while the sum is 39.

The square root of 2552543553 is about 50522.7033421609. The cubic root of 2552543553 is about 1366.6513048111.

The spelling of 2552543553 in words is "two billion, five hundred fifty-two million, five hundred forty-three thousand, five hundred fifty-three".