50221870 has 8 divisors (see below), whose sum is σ = 90399384. Its totient is φ = 20088744.

The previous prime is 50221861. The next prime is 50221877. The reversal of 50221870 is 7812205.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511084 + ... + 2511103.

It is an arithmetic number, because the mean of its divisors is an integer number (11299923).

Almost surely, 2^50221870 is an apocalyptic number.

50221870 is a deficient number, since it is larger than the sum of its proper divisors (40177514).

50221870 is a wasteful number, since it uses less digits than its factorization.

50221870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022194.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 50221870 is about 7086.7390244033. The cubic root of 50221870 is about 368.9472632188.

The spelling of 50221870 in words is "fifty million, two hundred twenty-one thousand, eight hundred seventy".