55243267367 has 4 divisors (see below), whose sum is σ = 55250396856. Its totient is φ = 55236137880.

The previous prime is 55243267357. The next prime is 55243267381. The reversal of 55243267367 is 76376234255.

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 55243267367 - 2²⁰ = 55242218791 is a prime.

It is a super-2 number, since 2×55243267367² (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 (55243267327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553109 + ... + 3568622.

It is an arithmetic number, because the mean of its divisors is an integer number (13812599214).

Almost surely, 2^55243267367 is an apocalyptic number.

55243267367 is a deficient number, since it is larger than the sum of its proper divisors (7129489).

55243267367 is an equidigital number, since it uses as much as digits as its factorization.

55243267367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129488.

The product of its digits is 6350400, while the sum is 50.

The spelling of 55243267367 in words is "fifty-five billion, two hundred forty-three million, two hundred sixty-seven thousand, three hundred sixty-seven".