7425545556 has 48 divisors (see below), whose sum is σ = 20355346368. Its totient is φ = 2077075200.

The previous prime is 7425545551. The next prime is 7425545563. The reversal of 7425545556 is 6555455247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425545551) 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, 2161905 + ... + 2165336.

It is an arithmetic number, because the mean of its divisors is an integer number (424069716).

Almost surely, 2^7425545556 is an apocalyptic number.

It is an amenable number.

7425545556 is an abundant number, since it is smaller than the sum of its proper divisors (12929800812).

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

7425545556 is a wasteful number, since it uses less digits than its factorization.

7425545556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327272 (or 4327270 counting only the distinct ones).

The product of its digits is 4200000, while the sum is 48.

The square root of 7425545556 is about 86171.6052769124. The cubic root of 7425545556 is about 1950.9349499464.

The spelling of 7425545556 in words is "seven billion, four hundred twenty-five million, five hundred forty-five thousand, five hundred fifty-six".