7550655725 has 12 divisors (see below), whose sum is σ = 9364308756. Its totient is φ = 6039559680.

The previous prime is 7550655691. The next prime is 7550655743. The reversal of 7550655725 is 5275560557.

It is a happy number.

7550655725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 7038409 + 7543617316 = 2653^2 + 86854^2 .

It is not a de Polignac number, because 7550655725 - 2¹² = 7550651629 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7550655725.

It is a congruent number.

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, 164399 + ... + 205251.

It is an arithmetic number, because the mean of its divisors is an integer number (780359063).

Almost surely, 2^7550655725 is an apocalyptic number.

It is an amenable number.

7550655725 is a deficient number, since it is larger than the sum of its proper divisors (1813653031).

7550655725 is a wasteful number, since it uses less digits than its factorization.

7550655725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48256 (or 48251 counting only the distinct ones).

The product of its (nonzero) digits is 1837500, while the sum is 47.

The square root of 7550655725 is about 86894.5091763571. The cubic root of 7550655725 is about 1961.8308351861.

The spelling of 7550655725 in words is "seven billion, five hundred fifty million, six hundred fifty-five thousand, seven hundred twenty-five".