2553383977 has 4 divisors (see below), whose sum is σ = 2554609536. Its totient is φ = 2552158420.

The previous prime is 2553383927. The next prime is 2553383983. The reversal of 2553383977 is 7793833552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553383977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553383927) 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, 609649 + ... + 613822.

It is an arithmetic number, because the mean of its divisors is an integer number (638652384).

Almost surely, 2^2553383977 is an apocalyptic number.

It is an amenable number.

2553383977 is a deficient number, since it is larger than the sum of its proper divisors (1225559).

2553383977 is a wasteful number, since it uses less digits than its factorization.

2553383977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225558.

The product of its digits is 4762800, while the sum is 52.

The square root of 2553383977 is about 50531.0199481467. The cubic root of 2553383977 is about 1366.8012781613.

The spelling of 2553383977 in words is "two billion, five hundred fifty-three million, three hundred eighty-three thousand, nine hundred seventy-seven".