550534157 has 4 divisors (see below), whose sum is σ = 550883520. Its totient is φ = 550184796.

The previous prime is 550534151. The next prime is 550534163. The reversal of 550534157 is 751435055.

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 an interprime number because it is at equal distance from previous prime (550534151) and next prime (550534163).

It is a cyclic number.

It is not a de Polignac number, because 550534157 - 2⁸ = 550533901 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 (550534151) 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, 172307 + ... + 175472.

It is an arithmetic number, because the mean of its divisors is an integer number (137720880).

Almost surely, 2^550534157 is an apocalyptic number.

It is an amenable number.

550534157 is a deficient number, since it is larger than the sum of its proper divisors (349363).

550534157 is a wasteful number, since it uses less digits than its factorization.

550534157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349362.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 550534157 is about 23463.4643009083. The cubic root of 550534157 is about 819.5864248967.

The spelling of 550534157 in words is "five hundred fifty million, five hundred thirty-four thousand, one hundred fifty-seven".