2553556061 has 12 divisors (see below), whose sum is σ = 2971323360. Its totient is φ = 2188128600.

The previous prime is 2553556051. The next prime is 2553556063. The reversal of 2553556061 is 1606553552.

It is a de Polignac number, because none of the positive numbers 2^k-2553556061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553556063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257330 + ... + 267068.

It is an arithmetic number, because the mean of its divisors is an integer number (247610280).

Almost surely, 2^2553556061 is an apocalyptic number.

It is an amenable number.

2553556061 is a deficient number, since it is larger than the sum of its proper divisors (417767299).

2553556061 is an equidigital number, since it uses as much as digits as its factorization.

2553556061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15104 (or 15097 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 2553556061 is about 50532.7226755100. The cubic root of 2553556061 is about 1366.8319824279.

The spelling of 2553556061 in words is "two billion, five hundred fifty-three million, five hundred fifty-six thousand, sixty-one".