550599555 has 16 divisors (see below), whose sum is σ = 961046784. Its totient is φ = 266957280.

The previous prime is 550599523. The next prime is 550599557. The reversal of 550599555 is 555995055.

It is not a de Polignac number, because 550599555 - 2⁵ = 550599523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550599557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1668319 + ... + 1668648.

It is an arithmetic number, because the mean of its divisors is an integer number (60065424).

Almost surely, 2^550599555 is an apocalyptic number.

550599555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550599555 is a deficient number, since it is larger than the sum of its proper divisors (410447229).

550599555 is a wasteful number, since it uses less digits than its factorization.

550599555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336986.

The product of its (nonzero) digits is 1265625, while the sum is 48.

The square root of 550599555 is about 23464.8578729981. The cubic root of 550599555 is about 819.6188765258.

The spelling of 550599555 in words is "five hundred fifty million, five hundred ninety-nine thousand, five hundred fifty-five".