550042753 has 4 divisors (see below), whose sum is σ = 592353748. Its totient is φ = 507731760.

The previous prime is 550042733. The next prime is 550042771. The reversal of 550042753 is 357240055.

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 21594609 + 528448144 = 4647^2 + 22988^2 .

It is a cyclic number.

It is not a de Polignac number, because 550042753 - 2²⁹ = 13171841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550042733) 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, 21155478 + ... + 21155503.

It is an arithmetic number, because the mean of its divisors is an integer number (148088437).

Almost surely, 2^550042753 is an apocalyptic number.

It is an amenable number.

550042753 is a deficient number, since it is larger than the sum of its proper divisors (42310995).

550042753 is a wasteful number, since it uses less digits than its factorization.

550042753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42310994.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 550042753 is about 23452.9902784272. The cubic root of 550042753 is about 819.3424994096.

The spelling of 550042753 in words is "five hundred fifty million, forty-two thousand, seven hundred fifty-three".