32256516553 has 2 divisors, whose sum is σ = 32256516554. Its totient is φ = 32256516552.

The previous prime is 32256516541. The next prime is 32256516557. The reversal of 32256516553 is 35561565223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17179869184 + 15076647369 = 131072^2 + 122787^2 .

It is a cyclic number.

It is not a de Polignac number, because 32256516553 - 2⁹ = 32256516041 is a prime.

It is a super-3 number, since 3×32256516553³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (32256516557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16128258276 + 16128258277.

It is an arithmetic number, because the mean of its divisors is an integer number (16128258277).

Almost surely, 2^32256516553 is an apocalyptic number.

It is an amenable number.

32256516553 is a deficient number, since it is larger than the sum of its proper divisors (1).

32256516553 is an equidigital number, since it uses as much as digits as its factorization.

32256516553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810000, while the sum is 43.

The spelling of 32256516553 in words is "thirty-two billion, two hundred fifty-six million, five hundred sixteen thousand, five hundred fifty-three".