2505525554 has 24 divisors (see below), whose sum is σ = 4533156288. Its totient is φ = 1017279000.

The previous prime is 2505525521. The next prime is 2505525571. The reversal of 2505525554 is 4555255052.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242822 + ... + 252929.

It is an arithmetic number, because the mean of its divisors is an integer number (188881512).

Almost surely, 2^2505525554 is an apocalyptic number.

2505525554 is a deficient number, since it is larger than the sum of its proper divisors (2027630734).

2505525554 is a wasteful number, since it uses less digits than its factorization.

2505525554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495798 (or 495779 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 38.

The square root of 2505525554 is about 50055.2250419474. The cubic root of 2505525554 is about 1358.2079832672.

The spelling of 2505525554 in words is "two billion, five hundred five million, five hundred twenty-five thousand, five hundred fifty-four".