455540655631 has 4 divisors (see below), whose sum is σ = 455657795200. Its totient is φ = 455423516064.

The previous prime is 455540655623. The next prime is 455540655641. The reversal of 455540655631 is 136556045554.

It is a happy number.

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 455540655631 - 2³ = 455540655623 is a prime.

It is a super-2 number, since 2×455540655631² (a number of 24 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 (455540655611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58563951 + ... + 58571728.

It is an arithmetic number, because the mean of its divisors is an integer number (113914448800).

Almost surely, 2^455540655631 is an apocalyptic number.

455540655631 is a deficient number, since it is larger than the sum of its proper divisors (117139569).

455540655631 is a wasteful number, since it uses less digits than its factorization.

455540655631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117139568.

The product of its (nonzero) digits is 5400000, while the sum is 49.

The spelling of 455540655631 in words is "four hundred fifty-five billion, five hundred forty million, six hundred fifty-five thousand, six hundred thirty-one".