55212326567 has 4 divisors (see below), whose sum is σ = 55216819320. Its totient is φ = 55207833816.

The previous prime is 55212326557. The next prime is 55212326569. The reversal of 55212326567 is 76562321255.

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 55212326567 - 2⁸ = 55212326311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55212326569) 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, 2227892 + ... + 2252537.

It is an arithmetic number, because the mean of its divisors is an integer number (13804204830).

Almost surely, 2^55212326567 is an apocalyptic number.

55212326567 is a deficient number, since it is larger than the sum of its proper divisors (4492753).

55212326567 is a wasteful number, since it uses less digits than its factorization.

55212326567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492752.

The product of its digits is 756000, while the sum is 44.

The spelling of 55212326567 in words is "fifty-five billion, two hundred twelve million, three hundred twenty-six thousand, five hundred sixty-seven".