50248991 has 8 divisors (see below), whose sum is σ = 57297744. Its totient is φ = 43655040.

The previous prime is 50248981. The next prime is 50248999. The reversal of 50248991 is 19984205.

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

It is not a de Polignac number, because 50248991 - 2¹⁸ = 49986847 is a prime.

It is a super-2 number, since 2×50248991² = 5049922193036162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50248999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113465 + ... + 113906.

It is an arithmetic number, because the mean of its divisors is an integer number (7162218).

Almost surely, 2^50248991 is an apocalyptic number.

50248991 is a deficient number, since it is larger than the sum of its proper divisors (7048753).

50248991 is a wasteful number, since it uses less digits than its factorization.

50248991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227401.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 50248991 is about 7088.6522696490. The cubic root of 50248991 is about 369.0136646893.

The spelling of 50248991 in words is "fifty million, two hundred forty-eight thousand, nine hundred ninety-one".