550076857 has 4 divisors (see below), whose sum is σ = 600083856. Its totient is φ = 500069860.

The previous prime is 550076819. The next prime is 550076887. The reversal of 550076857 is 758670055.

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 a cyclic number.

It is not a de Polignac number, because 550076857 - 2¹¹ = 550074809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550076887) 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, 25003483 + ... + 25003504.

It is an arithmetic number, because the mean of its divisors is an integer number (150020964).

Almost surely, 2^550076857 is an apocalyptic number.

It is an amenable number.

550076857 is a deficient number, since it is larger than the sum of its proper divisors (50006999).

550076857 is a wasteful number, since it uses less digits than its factorization.

550076857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50006998.

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 550076857 is about 23453.7173386225. The cubic root of 550076857 is about 819.3594328079.

The spelling of 550076857 in words is "five hundred fifty million, seventy-six thousand, eight hundred fifty-seven".