55648389269 has 4 divisors (see below), whose sum is σ = 60707333760. Its totient is φ = 50589444780.

The previous prime is 55648389263. The next prime is 55648389283. The reversal of 55648389269 is 96298384655.

55648389269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 55648389269 - 2¹² = 55648385173 is a prime.

It is a super-2 number, since 2×55648389269² (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 (55648389263) 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, 2529472229 + ... + 2529472250.

It is an arithmetic number, because the mean of its divisors is an integer number (15176833440).

Almost surely, 2^55648389269 is an apocalyptic number.

It is an amenable number.

55648389269 is a deficient number, since it is larger than the sum of its proper divisors (5058944491).

55648389269 is a wasteful number, since it uses less digits than its factorization.

55648389269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058944490.

The product of its digits is 111974400, while the sum is 65.

The spelling of 55648389269 in words is "fifty-five billion, six hundred forty-eight million, three hundred eighty-nine thousand, two hundred sixty-nine".