50949187 has 4 divisors (see below), whose sum is σ = 53946216. Its totient is φ = 47952160.

The previous prime is 50949181. The next prime is 50949193. The reversal of 50949187 is 78194905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78194905 = 5 ⋅15638981.

It is an interprime number because it is at equal distance from previous prime (50949181) and next prime (50949193).

It is a cyclic number.

It is not a de Polignac number, because 50949187 - 2³ = 50949179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50949181) 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 3 ways as a sum of consecutive naturals, for example, 1498489 + ... + 1498522.

It is an arithmetic number, because the mean of its divisors is an integer number (13486554).

Almost surely, 2^50949187 is an apocalyptic number.

50949187 is a deficient number, since it is larger than the sum of its proper divisors (2997029).

50949187 is a wasteful number, since it uses less digits than its factorization.

50949187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997028.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 50949187 is about 7137.8699203614. The cubic root of 50949187 is about 370.7197749277.

The spelling of 50949187 in words is "fifty million, nine hundred forty-nine thousand, one hundred eighty-seven".