2545977955 has 8 divisors (see below), whose sum is σ = 3137746032. Its totient is φ = 1981734048.

The previous prime is 2545977949. The next prime is 2545977989. The reversal of 2545977955 is 5597795452.

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 2545977955 - 2¹³ = 2545969763 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 2545977955.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6880837 + ... + 6881206.

It is an arithmetic number, because the mean of its divisors is an integer number (392218254).

Almost surely, 2^2545977955 is an apocalyptic number.

2545977955 is a deficient number, since it is larger than the sum of its proper divisors (591768077).

2545977955 is a wasteful number, since it uses less digits than its factorization.

2545977955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13762085.

The product of its digits is 19845000, while the sum is 58.

The square root of 2545977955 is about 50457.6847962726. The cubic root of 2545977955 is about 1365.4785416195.

The spelling of 2545977955 in words is "two billion, five hundred forty-five million, nine hundred seventy-seven thousand, nine hundred fifty-five".