550650513 has 24 divisors (see below), whose sum is σ = 844485952. Its totient is φ = 312643584.

The previous prime is 550650497. The next prime is 550650547. The reversal of 550650513 is 315056055.

It is not a de Polignac number, because 550650513 - 2⁴ = 550650497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550650563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1386831 + ... + 1387227.

Almost surely, 2^550650513 is an apocalyptic number.

It is an amenable number.

550650513 is a deficient number, since it is larger than the sum of its proper divisors (293835439).

550650513 is an equidigital number, since it uses as much as digits as its factorization.

550650513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 550650513 is about 23465.9436844121. The cubic root of 550650513 is about 819.6441609937.

The spelling of 550650513 in words is "five hundred fifty million, six hundred fifty thousand, five hundred thirteen".