4255552521631 has 4 divisors (see below), whose sum is σ = 4346096192352. Its totient is φ = 4165008850912.

The previous prime is 4255552521607. The next prime is 4255552521667. The reversal of 4255552521631 is 1361252555524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4255552521631 - 2⁵ = 4255552521599 is a prime.

It is a super-2 number, since 2×4255552521631² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255552521931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45271835290 + ... + 45271835383.

It is an arithmetic number, because the mean of its divisors is an integer number (1086524048088).

Almost surely, 2^{4255552521631} is an apocalyptic number.

4255552521631 is a deficient number, since it is larger than the sum of its proper divisors (90543670721).

4255552521631 is an equidigital number, since it uses as much as digits as its factorization.

4255552521631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90543670720.

The product of its digits is 1800000, while the sum is 46.

The spelling of 4255552521631 in words is "four trillion, two hundred fifty-five billion, five hundred fifty-two million, five hundred twenty-one thousand, six hundred thirty-one".