50939491 has 8 divisors (see below), whose sum is σ = 52470704. Its totient is φ = 49416480.

The previous prime is 50939461. The next prime is 50939501. The reversal of 50939491 is 19493905.

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 50939491 - 2¹¹ = 50937443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50939461) 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, 11956 + ... + 15646.

It is an arithmetic number, because the mean of its divisors is an integer number (6558838).

Almost surely, 2^50939491 is an apocalyptic number.

50939491 is a deficient number, since it is larger than the sum of its proper divisors (1531213).

50939491 is a wasteful number, since it uses less digits than its factorization.

50939491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 50939491 is about 7137.1906938234. The cubic root of 50939491 is about 370.6962565480.

It can be divided in two parts, 509 and 39491, that added together give a square (40000 = 200²).

The spelling of 50939491 in words is "fifty million, nine hundred thirty-nine thousand, four hundred ninety-one".