55492243 has 2 divisors, whose sum is σ = 55492244. Its totient is φ = 55492242.

The previous prime is 55492187. The next prime is 55492271. The reversal of 55492243 is 34229455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55492243 - 2¹⁷ = 55361171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55492199 and 55492208.

It is not a weakly prime, because it can be changed into another prime (55495243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27746121 + 27746122.

It is an arithmetic number, because the mean of its divisors is an integer number (27746122).

Almost surely, 2^55492243 is an apocalyptic number.

55492243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55492243 is an equidigital number, since it uses as much as digits as its factorization.

55492243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 55492243 is about 7449.3115789313. The cubic root of 55492243 is about 381.4264095186.

The spelling of 55492243 in words is "fifty-five million, four hundred ninety-two thousand, two hundred forty-three".