50816553 has 8 divisors (see below), whose sum is σ = 71741088. Its totient is φ = 31884864.

The previous prime is 50816543. The next prime is 50816561. The reversal of 50816553 is 35561805.

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

It is not a de Polignac number, because 50816553 - 2⁹ = 50816041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50816543) 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, 498151 + ... + 498252.

It is an arithmetic number, because the mean of its divisors is an integer number (8967636).

Almost surely, 2^50816553 is an apocalyptic number.

It is an amenable number.

50816553 is a deficient number, since it is larger than the sum of its proper divisors (20924535).

50816553 is a wasteful number, since it uses less digits than its factorization.

50816553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996423.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 50816553 is about 7128.5729988547. The cubic root of 50816553 is about 370.3978020051.

The spelling of 50816553 in words is "fifty million, eight hundred sixteen thousand, five hundred fifty-three".