50221624 has 8 divisors (see below), whose sum is σ = 94165560. Its totient is φ = 25110808.

The previous prime is 50221609. The next prime is 50221681. The reversal of 50221624 is 42612205.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 50221595 and 50221604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138844 + ... + 3138859.

It is an arithmetic number, because the mean of its divisors is an integer number (11770695).

Almost surely, 2^50221624 is an apocalyptic number.

It is an amenable number.

50221624 is a deficient number, since it is larger than the sum of its proper divisors (43943936).

50221624 is a wasteful number, since it uses less digits than its factorization.

50221624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277709 (or 6277705 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 50221624 is about 7086.7216680211. The cubic root of 50221624 is about 368.9466608174.

Adding to 50221624 its reverse (42612205), we get a palindrome (92833829).

The spelling of 50221624 in words is "fifty million, two hundred twenty-one thousand, six hundred twenty-four".