550525241250123 has 4 divisors (see below), whose sum is σ = 734033655000168. Its totient is φ = 367016827500080.

The previous prime is 550525241249959. The next prime is 550525241250151. The reversal of 550525241250123 is 321052142525055.

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

It is a cyclic number.

It is not a de Polignac number, because 550525241250123 - 2⁹ = 550525241249611 is a prime.

It is a super-2 number, since 2×550525241250123² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550525241250823) 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, 91754206875018 + ... + 91754206875023.

It is an arithmetic number, because the mean of its divisors is an integer number (183508413750042).

Almost surely, 2^{550525241250123} is an apocalyptic number.

550525241250123 is a deficient number, since it is larger than the sum of its proper divisors (183508413750045).

550525241250123 is a wasteful number, since it uses less digits than its factorization.

550525241250123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183508413750044.

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 550525241250123 its reverse (321052142525055), we get a palindrome (871577383775178).

The spelling of 550525241250123 in words is "five hundred fifty trillion, five hundred twenty-five billion, two hundred forty-one million, two hundred fifty thousand, one hundred twenty-three".