254455255533 has 4 divisors (see below), whose sum is σ = 339273674048. Its totient is φ = 169636837020.

The previous prime is 254455255513. The next prime is 254455255541. The reversal of 254455255533 is 335552554452.

It is a happy number.

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.

It is not a de Polignac number, because 254455255533 - 2¹² = 254455251437 is a prime.

It is a super-2 number, since 2×254455255533² (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 (254455255513) 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, 42409209253 + ... + 42409209258.

It is an arithmetic number, because the mean of its divisors is an integer number (84818418512).

Almost surely, 2^254455255533 is an apocalyptic number.

It is an amenable number.

254455255533 is a deficient number, since it is larger than the sum of its proper divisors (84818418515).

254455255533 is an equidigital number, since it uses as much as digits as its factorization.

254455255533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84818418514.

The product of its digits is 9000000, while the sum is 48.

The spelling of 254455255533 in words is "two hundred fifty-four billion, four hundred fifty-five million, two hundred fifty-five thousand, five hundred thirty-three".