550572313 has 8 divisors (see below), whose sum is σ = 564608520. Its totient is φ = 536565120.

The previous prime is 550572293. The next prime is 550572343. The reversal of 550572313 is 313275055.

It can be written as a sum of positive squares in 4 ways, for example, as 75898944 + 474673369 = 8712^2 + 21787^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550572313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550572343) 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, 34143 + ... + 47611.

It is an arithmetic number, because the mean of its divisors is an integer number (70576065).

Almost surely, 2^550572313 is an apocalyptic number.

It is an amenable number.

550572313 is a deficient number, since it is larger than the sum of its proper divisors (14036207).

550572313 is a wasteful number, since it uses less digits than its factorization.

550572313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14507.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 550572313 is about 23464.2773807335. The cubic root of 550572313 is about 819.6053588822.

The spelling of 550572313 in words is "five hundred fifty million, five hundred seventy-two thousand, three hundred thirteen".