550873807 has 4 divisors (see below), whose sum is σ = 600953256. Its totient is φ = 500794360.

The previous prime is 550873801. The next prime is 550873853. The reversal of 550873807 is 708378055.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-550873807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550873801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25039708 + ... + 25039729.

It is an arithmetic number, because the mean of its divisors is an integer number (150238314).

Almost surely, 2^550873807 is an apocalyptic number.

550873807 is a deficient number, since it is larger than the sum of its proper divisors (50079449).

550873807 is a wasteful number, since it uses less digits than its factorization.

550873807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50079448.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 550873807 is about 23470.7010334161. The cubic root of 550873807 is about 819.7549371790.

The spelling of 550873807 in words is "five hundred fifty million, eight hundred seventy-three thousand, eight hundred seven".