550789403 has 2 divisors, whose sum is σ = 550789404. Its totient is φ = 550789402.

The previous prime is 550789333. The next prime is 550789427. The reversal of 550789403 is 304987055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550789403 - 2¹⁰ = 550788379 is a prime.

It is not a weakly prime, because it can be changed into another prime (550789003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275394701 + 275394702.

It is an arithmetic number, because the mean of its divisors is an integer number (275394702).

Almost surely, 2^550789403 is an apocalyptic number.

550789403 is a deficient number, since it is larger than the sum of its proper divisors (1).

550789403 is an equidigital number, since it uses as much as digits as its factorization.

550789403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 550789403 is about 23468.9028929773. The cubic root of 550789403 is about 819.7130678622.

The spelling of 550789403 in words is "five hundred fifty million, seven hundred eighty-nine thousand, four hundred three".