55458203 has 2 divisors, whose sum is σ = 55458204. Its totient is φ = 55458202.

The previous prime is 55458157. The next prime is 55458217. The reversal of 55458203 is 30285455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55458203 - 2¹² = 55454107 is a prime.

It is a super-2 number, since 2×55458203² = 6151224559978418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55458203.

It is not a weakly prime, because it can be changed into another prime (55458103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27729101 + 27729102.

It is an arithmetic number, because the mean of its divisors is an integer number (27729102).

Almost surely, 2^55458203 is an apocalyptic number.

55458203 is a deficient number, since it is larger than the sum of its proper divisors (1).

55458203 is an equidigital number, since it uses as much as digits as its factorization.

55458203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 55458203 is about 7447.0264535585. The cubic root of 55458203 is about 381.3484021551.

The spelling of 55458203 in words is "fifty-five million, four hundred fifty-eight thousand, two hundred three".