7250005555 has 16 divisors (see below), whose sum is σ = 9920371104. Its totient is φ = 5038917120.

The previous prime is 7250005549. The next prime is 7250005571. The reversal of 7250005555 is 5555000527.

7250005555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7250005555 - 2¹⁵ = 7249972787 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 7250005555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3279441 + ... + 3281650.

It is an arithmetic number, because the mean of its divisors is an integer number (620023194).

Almost surely, 2^7250005555 is an apocalyptic number.

7250005555 is a deficient number, since it is larger than the sum of its proper divisors (2670365549).

7250005555 is a wasteful number, since it uses less digits than its factorization.

7250005555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561126.

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

The square root of 7250005555 is about 85146.9644497090. The cubic root of 7250005555 is about 1935.4388146292.

The spelling of 7250005555 in words is "seven billion, two hundred fifty million, five thousand, five hundred fifty-five".