550555607 has 16 divisors (see below), whose sum is σ = 637486080. Its totient is φ = 465723648.

The previous prime is 550555547. The next prime is 550555613. The reversal of 550555607 is 706555055.

It is a cyclic number.

It is not a de Polignac number, because 550555607 - 2⁶ = 550555543 is a prime.

It is a super-2 number, since 2×550555607² = 606222952798276898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550555627) 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, 297158 + ... + 299004.

It is an arithmetic number, because the mean of its divisors is an integer number (39842880).

Almost surely, 2^550555607 is an apocalyptic number.

550555607 is a deficient number, since it is larger than the sum of its proper divisors (86930473).

550555607 is a wasteful number, since it uses less digits than its factorization.

550555607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390.

The product of its (nonzero) digits is 131250, while the sum is 38.

The square root of 550555607 is about 23463.9213900831. The cubic root of 550555607 is about 819.5970690443.

The spelling of 550555607 in words is "five hundred fifty million, five hundred fifty-five thousand, six hundred seven".