55222153823 has 2 divisors, whose sum is σ = 55222153824. Its totient is φ = 55222153822.

The previous prime is 55222153801. The next prime is 55222153901. The reversal of 55222153823 is 32835122255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55222153823 - 2²² = 55217959519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55222159823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27611076911 + 27611076912.

It is an arithmetic number, because the mean of its divisors is an integer number (27611076912).

Almost surely, 2^55222153823 is an apocalyptic number.

55222153823 is a deficient number, since it is larger than the sum of its proper divisors (1).

55222153823 is an equidigital number, since it uses as much as digits as its factorization.

55222153823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 38.

The spelling of 55222153823 in words is "fifty-five billion, two hundred twenty-two million, one hundred fifty-three thousand, eight hundred twenty-three".