50821089 has 24 divisors (see below), whose sum is σ = 74973696. Its totient is φ = 30597600.

The previous prime is 50821081. The next prime is 50821093. The reversal of 50821089 is 98012805.

It is a happy number.

It is not a de Polignac number, because 50821089 - 2³ = 50821081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (50821081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68967 + ... + 69699.

It is an arithmetic number, because the mean of its divisors is an integer number (3123904).

Almost surely, 2^50821089 is an apocalyptic number.

It is an amenable number.

50821089 is a deficient number, since it is larger than the sum of its proper divisors (24152607).

50821089 is a wasteful number, since it uses less digits than its factorization.

50821089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 50821089 is about 7128.8911479977. The cubic root of 50821089 is about 370.4088225246.

The spelling of 50821089 in words is "fifty million, eight hundred twenty-one thousand, eighty-nine".