4550855391 has 6 divisors (see below), whose sum is σ = 6573457800. Its totient is φ = 3033903588.

The previous prime is 4550855383. The next prime is 4550855411. The reversal of 4550855391 is 1935580554.

4550855391 is a `hidden beast` number, since 4 + 5 + 5 + 0 + 8 + 553 + 91 = 666.

It is not a de Polignac number, because 4550855391 - 2³ = 4550855383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550855321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252825291 + ... + 252825308.

It is an arithmetic number, because the mean of its divisors is an integer number (1095576300).

Almost surely, 2^4550855391 is an apocalyptic number.

4550855391 is a deficient number, since it is larger than the sum of its proper divisors (2022602409).

4550855391 is a wasteful number, since it uses less digits than its factorization.

4550855391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505650605 (or 505650602 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The square root of 4550855391 is about 67460.0280981264. The cubic root of 4550855391 is about 1657.1596309075.

The spelling of 4550855391 in words is "four billion, five hundred fifty million, eight hundred fifty-five thousand, three hundred ninety-one".