2553397577 has 8 divisors (see below), whose sum is σ = 2648573664. Its totient is φ = 2459848608.

The previous prime is 2553397559. The next prime is 2553397619. The reversal of 2553397577 is 7757933552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2553397577 - 2⁶ = 2553397513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553397507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403583 + ... + 409860.

It is an arithmetic number, because the mean of its divisors is an integer number (331071708).

Almost surely, 2^2553397577 is an apocalyptic number.

It is an amenable number.

2553397577 is a deficient number, since it is larger than the sum of its proper divisors (95176087).

2553397577 is an equidigital number, since it uses as much as digits as its factorization.

2553397577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813559.

The product of its digits is 6945750, while the sum is 53.

The square root of 2553397577 is about 50531.1545187719. The cubic root of 2553397577 is about 1366.8037048056.

The spelling of 2553397577 in words is "two billion, five hundred fifty-three million, three hundred ninety-seven thousand, five hundred seventy-seven".