55622449 has 2 divisors, whose sum is σ = 55622450. Its totient is φ = 55622448.

The previous prime is 55622429. The next prime is 55622461. The reversal of 55622449 is 94422655.

55622449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52664049 + 2958400 = 7257^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 55622449 - 2¹¹ = 55620401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55622429) 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, 27811224 + 27811225.

It is an arithmetic number, because the mean of its divisors is an integer number (27811225).

Almost surely, 2^55622449 is an apocalyptic number.

It is an amenable number.

55622449 is a deficient number, since it is larger than the sum of its proper divisors (1).

55622449 is an equidigital number, since it uses as much as digits as its factorization.

55622449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 55622449 is about 7458.0459236988. The cubic root of 55622449 is about 381.7245005152.

It can be divided in two parts, 556 and 22449, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 55622449 in words is "fifty-five million, six hundred twenty-two thousand, four hundred forty-nine".