55622473 has 2 divisors, whose sum is σ = 55622474. Its totient is φ = 55622472.

The previous prime is 55622471. The next prime is 55622477. The reversal of 55622473 is 37422655.

55622473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55472704 + 149769 = 7448^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 55622473 - 2¹ = 55622471 is a prime.

Together with 55622471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55622471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27811236 + 27811237.

It is an arithmetic number, because the mean of its divisors is an integer number (27811237).

Almost surely, 2^55622473 is an apocalyptic number.

It is an amenable number.

55622473 is a deficient number, since it is larger than the sum of its proper divisors (1).

55622473 is an equidigital number, since it uses as much as digits as its factorization.

55622473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 34.

The square root of 55622473 is about 7458.0475326992. The cubic root of 55622473 is about 381.7245554174.

The spelling of 55622473 in words is "fifty-five million, six hundred twenty-two thousand, four hundred seventy-three".