2505507550 has 48 divisors (see below), whose sum is σ = 5735695392. Its totient is φ = 792950400.

The previous prime is 2505507539. The next prime is 2505507551. The reversal of 2505507550 is 557055052.

2505507550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505507551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270781 + ... + 279880.

It is an arithmetic number, because the mean of its divisors is an integer number (119493654).

Almost surely, 2^2505507550 is an apocalyptic number.

2505507550 is an abundant number, since it is smaller than the sum of its proper divisors (3230187842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505507550 is a wasteful number, since it uses less digits than its factorization.

2505507550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550693 (or 550688 counting only the distinct ones).

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 2505507550 is about 50055.0452002593. The cubic root of 2505507550 is about 1358.2047300262.

The spelling of 2505507550 in words is "two billion, five hundred five million, five hundred seven thousand, five hundred fifty".