550145513 has 8 divisors (see below), whose sum is σ = 582136320. Its totient is φ = 518458320.

The previous prime is 550145467. The next prime is 550145527. The reversal of 550145513 is 315541055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550145513 - 2¹⁰ = 550144489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550145543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72170 + ... + 79427.

It is an arithmetic number, because the mean of its divisors is an integer number (72767040).

Almost surely, 2^550145513 is an apocalyptic number.

It is an amenable number.

550145513 is a deficient number, since it is larger than the sum of its proper divisors (31990807).

550145513 is a wasteful number, since it uses less digits than its factorization.

550145513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151807.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 550145513 is about 23455.1809415319. The cubic root of 550145513 is about 819.3935199239.

Adding to 550145513 its reverse (315541055), we get a palindrome (865686568).

The spelling of 550145513 in words is "five hundred fifty million, one hundred forty-five thousand, five hundred thirteen".