65525452556 has 24 divisors (see below), whose sum is σ = 122450240640. Its totient is φ = 30612556800.

The previous prime is 65525452541. The next prime is 65525452571.

65525452556 is nontrivially palindromic in base 10.

65525452556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65525452541) and next prime (65525452571).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9107285 + ... + 9114476.

It is an arithmetic number, because the mean of its divisors is an integer number (5102093360).

Almost surely, 2^65525452556 is an apocalyptic number.

It is an amenable number.

65525452556 is a deficient number, since it is larger than the sum of its proper divisors (56924788084).

65525452556 is a wasteful number, since it uses less digits than its factorization.

65525452556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18221825 (or 18221823 counting only the distinct ones).

The product of its digits is 9000000, while the sum is 50.

The spelling of 65525452556 in words is "sixty-five billion, five hundred twenty-five million, four hundred fifty-two thousand, five hundred fifty-six".