550783057 has 4 divisors (see below), whose sum is σ = 600854256. Its totient is φ = 500711860.

The previous prime is 550783043. The next prime is 550783061. The reversal of 550783057 is 750387055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 550783057 - 2⁷ = 550782929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550783067) 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, 25035583 + ... + 25035604.

It is an arithmetic number, because the mean of its divisors is an integer number (150213564).

Almost surely, 2^550783057 is an apocalyptic number.

It is an amenable number.

550783057 is a deficient number, since it is larger than the sum of its proper divisors (50071199).

550783057 is a wasteful number, since it uses less digits than its factorization.

550783057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50071198.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 550783057 is about 23468.7676924035. The cubic root of 550783057 is about 819.7099197025.

The spelling of 550783057 in words is "five hundred fifty million, seven hundred eighty-three thousand, fifty-seven".