550350242551 has 4 divisors (see below), whose sum is σ = 550639750104. Its totient is φ = 550060735000.

The previous prime is 550350242539. The next prime is 550350242569. The reversal of 550350242551 is 155242053055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155242053055 = 5 ⋅31048410611.

It is a cyclic number.

It is not a de Polignac number, because 550350242551 - 2³⁷ = 412911289079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550350242551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550350242521) 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, 144750925 + ... + 144754726.

It is an arithmetic number, because the mean of its divisors is an integer number (137659937526).

Almost surely, 2^550350242551 is an apocalyptic number.

550350242551 is a deficient number, since it is larger than the sum of its proper divisors (289507553).

550350242551 is a wasteful number, since it uses less digits than its factorization.

550350242551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289507552.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 550350242551 in words is "five hundred fifty billion, three hundred fifty million, two hundred forty-two thousand, five hundred fifty-one".