50021143 has 8 divisors (see below), whose sum is σ = 51836400. Its totient is φ = 48211968.

The previous prime is 50021093. The next prime is 50021149. The reversal of 50021143 is 34112005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50021143 is a prime.

It is a super-2 number, since 2×50021143² = 5004229494052898, 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 (50021149) 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, 21180 + ... + 23422.

It is an arithmetic number, because the mean of its divisors is an integer number (6479550).

Almost surely, 2^50021143 is an apocalyptic number.

50021143 is a deficient number, since it is larger than the sum of its proper divisors (1815257).

50021143 is a wasteful number, since it uses less digits than its factorization.

50021143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 50021143 is about 7072.5626897186. The cubic root of 50021143 is about 368.4550701984.

Adding to 50021143 its reverse (34112005), we get a palindrome (84133148).

The spelling of 50021143 in words is "fifty million, twenty-one thousand, one hundred forty-three".