55424023 has 2 divisors, whose sum is σ = 55424024. Its totient is φ = 55424022.

The previous prime is 55424021. The next prime is 55424059. The reversal of 55424023 is 32042455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55424023 - 2¹ = 55424021 is a prime.

Together with 55424021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55424021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27712011 + 27712012.

It is an arithmetic number, because the mean of its divisors is an integer number (27712012).

Almost surely, 2^55424023 is an apocalyptic number.

55424023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55424023 is an equidigital number, since it uses as much as digits as its factorization.

55424023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 55424023 is about 7444.7312241612. The cubic root of 55424023 is about 381.2700418381.

Adding to 55424023 its reverse (32042455), we get a palindrome (87466478).

The spelling of 55424023 in words is "fifty-five million, four hundred twenty-four thousand, twenty-three".