50221370 has 16 divisors (see below), whose sum is σ = 95156640. Its totient is φ = 19031184.

The previous prime is 50221343. The next prime is 50221373. The reversal of 50221370 is 7312205.

It is not an unprimeable number, because it can be changed into a prime (50221373) 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, 131972 + ... + 132351.

It is an arithmetic number, because the mean of its divisors is an integer number (5947290).

Almost surely, 2^50221370 is an apocalyptic number.

50221370 is a deficient number, since it is larger than the sum of its proper divisors (44935270).

50221370 is a wasteful number, since it uses less digits than its factorization.

50221370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264349.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 50221370 is about 7086.7037471592. The cubic root of 50221370 is about 368.9460388236.

Adding to 50221370 its reverse (7312205), we get a palindrome (57533575).

The spelling of 50221370 in words is "fifty million, two hundred twenty-one thousand, three hundred seventy".