550625443 has 2 divisors, whose sum is σ = 550625444. Its totient is φ = 550625442.

The previous prime is 550625429. The next prime is 550625489. The reversal of 550625443 is 344526055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550625443 - 2²⁵ = 517071011 is a prime.

It is a super-3 number, since 3×550625443³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550625399 and 550625408.

It is not a weakly prime, because it can be changed into another prime (550625143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275312721 + 275312722.

It is an arithmetic number, because the mean of its divisors is an integer number (275312722).

Almost surely, 2^550625443 is an apocalyptic number.

550625443 is a deficient number, since it is larger than the sum of its proper divisors (1).

550625443 is an equidigital number, since it uses as much as digits as its factorization.

550625443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 550625443 is about 23465.4094999427. The cubic root of 550625443 is about 819.6317218933.

The spelling of 550625443 in words is "five hundred fifty million, six hundred twenty-five thousand, four hundred forty-three".