2507780553 has 16 divisors (see below), whose sum is σ = 3377242176. Its totient is φ = 1655147520.

The previous prime is 2507780537. The next prime is 2507780581. The reversal of 2507780553 is 3550877052.

It is not a de Polignac number, because 2507780553 - 2⁴ = 2507780537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2507780153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162801 + ... + 177537.

It is an arithmetic number, because the mean of its divisors is an integer number (211077636).

Almost surely, 2^2507780553 is an apocalyptic number.

It is an amenable number.

2507780553 is a deficient number, since it is larger than the sum of its proper divisors (869461623).

2507780553 is a wasteful number, since it uses less digits than its factorization.

2507780553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304.

The product of its (nonzero) digits is 294000, while the sum is 42.

The square root of 2507780553 is about 50077.7450870145. The cubic root of 2507780553 is about 1358.6153281800.

The spelling of 2507780553 in words is "two billion, five hundred seven million, seven hundred eighty thousand, five hundred fifty-three".