3212553655 has 4 divisors (see below), whose sum is σ = 3855064392. Its totient is φ = 2570042920.

The previous prime is 3212553581. The next prime is 3212553661. The reversal of 3212553655 is 5563552123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5563552123 = 66191 ⋅84053.

It is not a de Polignac number, because 3212553655 - 2²⁵ = 3178999223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321255361 + ... + 321255370.

It is an arithmetic number, because the mean of its divisors is an integer number (963766098).

Almost surely, 2^3212553655 is an apocalyptic number.

3212553655 is a deficient number, since it is larger than the sum of its proper divisors (642510737).

3212553655 is an equidigital number, since it uses as much as digits as its factorization.

3212553655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642510736.

The product of its digits is 135000, while the sum is 37.

The square root of 3212553655 is about 56679.3935659160. The cubic root of 3212553655 is about 1475.5370875643.

The spelling of 3212553655 in words is "three billion, two hundred twelve million, five hundred fifty-three thousand, six hundred fifty-five".