550411145 has 4 divisors (see below), whose sum is σ = 660493380. Its totient is φ = 440328912.

The previous prime is 550411139. The next prime is 550411151. The reversal of 550411145 is 541114055.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (550411139) and next prime (550411151).

It can be written as a sum of positive squares in 2 ways, for example, as 58813561 + 491597584 = 7669^2 + 22172^2 .

It is a cyclic number.

It is not a de Polignac number, because 550411145 - 2⁴ = 550411129 is a prime.

It is a super-2 number, since 2×550411145² = 605904857080422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55041110 + ... + 55041119.

It is an arithmetic number, because the mean of its divisors is an integer number (165123345).

Almost surely, 2^550411145 is an apocalyptic number.

It is an amenable number.

550411145 is a deficient number, since it is larger than the sum of its proper divisors (110082235).

550411145 is a wasteful number, since it uses less digits than its factorization.

550411145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110082234.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 550411145 is about 23460.8428024229. The cubic root of 550411145 is about 819.5253772311.

The spelling of 550411145 in words is "five hundred fifty million, four hundred eleven thousand, one hundred forty-five".