32215552553 has 4 divisors (see below), whose sum is σ = 32216580480. Its totient is φ = 32214524628.

The previous prime is 32215552519. The next prime is 32215552609. The reversal of 32215552553 is 35525551223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35525551223 = 13037 ⋅2724979.

It is a cyclic number.

It is not a de Polignac number, because 32215552553 - 2¹² = 32215548457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32215552513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465425 + ... + 530142.

It is an arithmetic number, because the mean of its divisors is an integer number (8054145120).

Almost surely, 2^32215552553 is an apocalyptic number.

It is an amenable number.

32215552553 is a deficient number, since it is larger than the sum of its proper divisors (1027927).

32215552553 is an equidigital number, since it uses as much as digits as its factorization.

32215552553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027926.

The product of its digits is 225000, while the sum is 38.

The spelling of 32215552553 in words is "thirty-two billion, two hundred fifteen million, five hundred fifty-two thousand, five hundred fifty-three".