50755591 has 8 divisors (see below), whose sum is σ = 53803440. Its totient is φ = 47714688.

The previous prime is 50755589. The next prime is 50755633. The reversal of 50755591 is 19555705.

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

It is a cyclic number.

It is not a de Polignac number, because 50755591 - 2¹ = 50755589 is a prime.

It is a super-2 number, since 2×50755591² = 5152260035518562, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 50755591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50755531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28180 + ... + 29926.

It is an arithmetic number, because the mean of its divisors is an integer number (6725430).

Almost surely, 2^50755591 is an apocalyptic number.

50755591 is a deficient number, since it is larger than the sum of its proper divisors (3047849).

50755591 is a wasteful number, since it uses less digits than its factorization.

50755591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473.

The product of its (nonzero) digits is 39375, while the sum is 37.

The square root of 50755591 is about 7124.2958248517. The cubic root of 50755591 is about 370.2496270180.

The spelling of 50755591 in words is "fifty million, seven hundred fifty-five thousand, five hundred ninety-one".