921755050 has 12 divisors (see below), whose sum is σ = 1714464486. Its totient is φ = 368702000.

The previous prime is 921755047. The next prime is 921755059. The reversal of 921755050 is 50557129.

It can be written as a sum of positive squares in 3 ways, for example, as 480881041 + 440874009 = 21929^2 + 20997^2 .

It is a junction number, because it is equal to n+sod(n) for n = 921754997 and 921755015.

It is not an unprimeable number, because it can be changed into a prime (921755059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9217501 + ... + 9217600.

Almost surely, 2^921755050 is an apocalyptic number.

921755050 is a deficient number, since it is larger than the sum of its proper divisors (792709436).

921755050 is a wasteful number, since it uses less digits than its factorization.

921755050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18435113 (or 18435108 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 921755050 is about 30360.4191341292. The cubic root of 921755050 is about 973.2068906192.

The spelling of 921755050 in words is "nine hundred twenty-one million, seven hundred fifty-five thousand, fifty".