50021706 has 32 divisors (see below), whose sum is σ = 117429120. Its totient is φ = 13905216.

The previous prime is 50021687. The next prime is 50021707. The reversal of 50021706 is 60712005.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (50021707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14541 + ... + 17648.

It is an arithmetic number, because the mean of its divisors is an integer number (3669660).

Almost surely, 2^50021706 is an apocalyptic number.

50021706 is an abundant number, since it is smaller than the sum of its proper divisors (67407414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50021706 is a wasteful number, since it uses less digits than its factorization.

50021706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32238.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 50021706 is about 7072.6024913040. The cubic root of 50021706 is about 368.4564525433.

The spelling of 50021706 in words is "fifty million, twenty-one thousand, seven hundred six".