65552625556 has 72 divisors (see below), whose sum is σ = 132231009960. Its totient is φ = 28374635520.

The previous prime is 65552625533. The next prime is 65552625569.

65552625556 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 13102465156 + 52450160400 = 114466^2 + 229020^2 .

It is a super-3 number, since 3×65552625556³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 992640 + ... + 1056616.

It is an arithmetic number, because the mean of its divisors is an integer number (1836541805).

Almost surely, 2^65552625556 is an apocalyptic number.

It is an amenable number.

65552625556 is an abundant number, since it is smaller than the sum of its proper divisors (66678384404).

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

65552625556 is a wasteful number, since it uses less digits than its factorization.

65552625556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64105 (or 64092 counting only the distinct ones).

The product of its digits is 13500000, while the sum is 52.

The spelling of 65552625556 in words is "sixty-five billion, five hundred fifty-two million, six hundred twenty-five thousand, five hundred fifty-six".