550250311513 has 4 divisors (see below), whose sum is σ = 628857498880. Its totient is φ = 471643124148.

The previous prime is 550250311451. The next prime is 550250311531. The reversal of 550250311513 is 315113052055.

550250311513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 550250311513 - 2¹³ = 550250303321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550250311313) 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, 39303593673 + ... + 39303593686.

It is an arithmetic number, because the mean of its divisors is an integer number (157214374720).

Almost surely, 2^550250311513 is an apocalyptic number.

It is an amenable number.

550250311513 is a deficient number, since it is larger than the sum of its proper divisors (78607187367).

550250311513 is an equidigital number, since it uses as much as digits as its factorization.

550250311513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78607187366.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 550250311513 its reverse (315113052055), we get a palindrome (865363363568).

The spelling of 550250311513 in words is "five hundred fifty billion, two hundred fifty million, three hundred eleven thousand, five hundred thirteen".