50749559 has 4 divisors (see below), whose sum is σ = 57999504. Its totient is φ = 43499616.

The previous prime is 50749553. The next prime is 50749583. The reversal of 50749559 is 95594705.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95594705 = 5 ⋅19118941.

It is a cyclic number.

It is not a de Polignac number, because 50749559 - 2²⁴ = 33972343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50749553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3624962 + ... + 3624975.

It is an arithmetic number, because the mean of its divisors is an integer number (14499876).

Almost surely, 2^50749559 is an apocalyptic number.

50749559 is a deficient number, since it is larger than the sum of its proper divisors (7249945).

50749559 is an equidigital number, since it uses as much as digits as its factorization.

50749559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249944.

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 50749559 is about 7123.8724721881. The cubic root of 50749559 is about 370.2349591152.

The spelling of 50749559 in words is "fifty million, seven hundred forty-nine thousand, five hundred fifty-nine".