55224345215 has 32 divisors (see below), whose sum is σ = 79542025920. Its totient is φ = 36362041344.

The previous prime is 55224345203. The next prime is 55224345217. The reversal of 55224345215 is 51254342255.

It is a cyclic number.

It is not a de Polignac number, because 55224345215 - 2⁴ = 55224345199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224345217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1294184 + ... + 1336173.

It is an arithmetic number, because the mean of its divisors is an integer number (2485688310).

Almost surely, 2^55224345215 is an apocalyptic number.

55224345215 is a deficient number, since it is larger than the sum of its proper divisors (24317680705).

55224345215 is a wasteful number, since it uses less digits than its factorization.

55224345215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630411.

The product of its digits is 240000, while the sum is 38.

The spelling of 55224345215 in words is "fifty-five billion, two hundred twenty-four million, three hundred forty-five thousand, two hundred fifteen".