2553404551 has 4 divisors (see below), whose sum is σ = 2595263704. Its totient is φ = 2511545400.

The previous prime is 2553404531. The next prime is 2553404561. The reversal of 2553404551 is 1554043552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553404551 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 (2553404531) 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, 20929485 + ... + 20929606.

It is an arithmetic number, because the mean of its divisors is an integer number (648815926).

Almost surely, 2^2553404551 is an apocalyptic number.

2553404551 is a deficient number, since it is larger than the sum of its proper divisors (41859153).

2553404551 is an equidigital number, since it uses as much as digits as its factorization.

2553404551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41859152.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2553404551 is about 50531.2235256579. The cubic root of 2553404551 is about 1366.8049491712.

The spelling of 2553404551 in words is "two billion, five hundred fifty-three million, four hundred four thousand, five hundred fifty-one".