55263479269 has 4 divisors (see below), whose sum is σ = 55264115296. Its totient is φ = 55262843244.

The previous prime is 55263479267. The next prime is 55263479309. The reversal of 55263479269 is 96297436255.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55263479269 - 2¹ = 55263479267 is a prime.

It is a super-2 number, since 2×55263479269² (a number of 22 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 (55263479267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162249 + ... + 369934.

It is an arithmetic number, because the mean of its divisors is an integer number (13816028824).

Almost surely, 2^55263479269 is an apocalyptic number.

It is an amenable number.

55263479269 is a deficient number, since it is larger than the sum of its proper divisors (636027).

55263479269 is a wasteful number, since it uses less digits than its factorization.

55263479269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636026.

The product of its digits is 24494400, while the sum is 58.

The spelling of 55263479269 in words is "fifty-five billion, two hundred sixty-three million, four hundred seventy-nine thousand, two hundred sixty-nine".