2553680677 has 4 divisors (see below), whose sum is σ = 2558401516. Its totient is φ = 2548959840.

The previous prime is 2553680659. The next prime is 2553680729. The reversal of 2553680677 is 7760863552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2002652001 + 551028676 = 44751^2 + 23474^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553680677 - 2²³ = 2545292069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2553680677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553680477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359608 + ... + 2360689.

It is an arithmetic number, because the mean of its divisors is an integer number (639600379).

Almost surely, 2^2553680677 is an apocalyptic number.

It is an amenable number.

2553680677 is a deficient number, since it is larger than the sum of its proper divisors (4720839).

2553680677 is an equidigital number, since it uses as much as digits as its factorization.

2553680677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720838.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The square root of 2553680677 is about 50533.9556832829. The cubic root of 2553680677 is about 1366.8542163062.

The spelling of 2553680677 in words is "two billion, five hundred fifty-three million, six hundred eighty thousand, six hundred seventy-seven".