50166091 has 4 divisors (see below), whose sum is σ = 51784384. Its totient is φ = 48547800.

The previous prime is 50166089. The next prime is 50166101. The reversal of 50166091 is 19066105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19066105 = 5 ⋅3813221.

It is a cyclic number.

It is not a de Polignac number, because 50166091 - 2¹ = 50166089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50166791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809100 + ... + 809161.

It is an arithmetic number, because the mean of its divisors is an integer number (12946096).

Almost surely, 2^50166091 is an apocalyptic number.

50166091 is a deficient number, since it is larger than the sum of its proper divisors (1618293).

50166091 is a wasteful number, since it uses less digits than its factorization.

50166091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618292.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 50166091 is about 7082.8024820688. The cubic root of 50166091 is about 368.8106219973.

The spelling of 50166091 in words is "fifty million, one hundred sixty-six thousand, ninety-one".