550012557 has 4 divisors (see below), whose sum is σ = 733350080. Its totient is φ = 366675036.

The previous prime is 550012549. The next prime is 550012559. The reversal of 550012557 is 755210055.

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 550012557 - 2³ = 550012549 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 (550012559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91668757 + ... + 91668762.

It is an arithmetic number, because the mean of its divisors is an integer number (183337520).

Almost surely, 2^550012557 is an apocalyptic number.

It is an amenable number.

550012557 is a deficient number, since it is larger than the sum of its proper divisors (183337523).

550012557 is a wasteful number, since it uses less digits than its factorization.

550012557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183337522.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 550012557 is about 23452.3465137286. The cubic root of 550012557 is about 819.3275058363.

The spelling of 550012557 in words is "five hundred fifty million, twelve thousand, five hundred fifty-seven".