50721622 has 16 divisors (see below), whose sum is σ = 88378272. Its totient is φ = 21381120.

The previous prime is 50721599. The next prime is 50721631. The reversal of 50721622 is 22612705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28843 + ... + 30550.

It is an arithmetic number, because the mean of its divisors is an integer number (5523642).

Almost surely, 2^50721622 is an apocalyptic number.

50721622 is a deficient number, since it is larger than the sum of its proper divisors (37656650).

50721622 is a wasteful number, since it uses less digits than its factorization.

50721622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59463.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 50721622 is about 7121.9114007407. The cubic root of 50721622 is about 370.1670100677.

The spelling of 50721622 in words is "fifty million, seven hundred twenty-one thousand, six hundred twenty-two".