550852397 has 4 divisors (see below), whose sum is σ = 552268860. Its totient is φ = 549435936.

The previous prime is 550852363. The next prime is 550852399. The reversal of 550852397 is 793258055.

550852397 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.

It can be written as a sum of positive squares in 2 ways, for example, as 297597001 + 253255396 = 17251^2 + 15914^2 .

It is a cyclic number.

It is not a de Polignac number, because 550852397 - 2¹⁰ = 550851373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550852399) 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, 707648 + ... + 708425.

It is an arithmetic number, because the mean of its divisors is an integer number (138067215).

Almost surely, 2^550852397 is an apocalyptic number.

It is an amenable number.

550852397 is a deficient number, since it is larger than the sum of its proper divisors (1416463).

550852397 is a wasteful number, since it uses less digits than its factorization.

550852397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416462.

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 550852397 is about 23470.2449284195. The cubic root of 550852397 is about 819.7443169726.

The spelling of 550852397 in words is "five hundred fifty million, eight hundred fifty-two thousand, three hundred ninety-seven".