50605609 has 16 divisors (see below), whose sum is σ = 54512640. Its totient is φ = 46872000.

The previous prime is 50605601. The next prime is 50605649. The reversal of 50605609 is 90650605.

It is a happy number.

It is not a de Polignac number, because 50605609 - 2³ = 50605601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50605601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162564 + ... + 162874.

It is an arithmetic number, because the mean of its divisors is an integer number (3407040).

Almost surely, 2^50605609 is an apocalyptic number.

It is an amenable number.

50605609 is a deficient number, since it is larger than the sum of its proper divisors (3907031).

50605609 is a wasteful number, since it uses less digits than its factorization.

50605609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 50605609 is about 7113.7619442880. The cubic root of 50605609 is about 369.8845731985.

The spelling of 50605609 in words is "fifty million, six hundred five thousand, six hundred nine".