50201089 has 8 divisors (see below), whose sum is σ = 50860040. Its totient is φ = 49545216.

The previous prime is 50201077. The next prime is 50201093. The reversal of 50201089 is 98010205.

It can be written as a sum of positive squares in 4 ways, for example, as 2480625 + 47720464 = 1575^2 + 6908^2 .

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

It is a 3-Lehmer number, since φ(50201089) divides (50201089-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 50201089 - 2⁷ = 50200961 is a prime.

It is a deceptive number, since it divides R_50201088.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50207089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64897 + ... + 65665.

It is an arithmetic number, because the mean of its divisors is an integer number (6357505).

It is a Poulet number, since it divides 2^50201088-1.

Almost surely, 2^50201089 is an apocalyptic number.

It is an amenable number.

50201089 is a deficient number, since it is larger than the sum of its proper divisors (658951).

50201089 is an equidigital number, since it uses as much as digits as its factorization.

50201089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 50201089 is about 7085.2726835317. The cubic root of 50201089 is about 368.8963680555.

The spelling of 50201089 in words is "fifty million, two hundred one thousand, eighty-nine".