921255050 has 24 divisors (see below), whose sum is σ = 1720225836. Its totient is φ = 367063040.

The previous prime is 921255017. The next prime is 921255059. The reversal of 921255050 is 50552129.

It can be written as a sum of positive squares in 6 ways, for example, as 480968761 + 440286289 = 21931^2 + 20983^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (921255059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22997 + ... + 48696.

Almost surely, 2^921255050 is an apocalyptic number.

921255050 is a deficient number, since it is larger than the sum of its proper divisors (798970786).

921255050 is a wasteful number, since it uses less digits than its factorization.

921255050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71962 (or 71957 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 921255050 is about 30352.1836117272. The cubic root of 921255050 is about 973.0308888869.

The spelling of 921255050 in words is "nine hundred twenty-one million, two hundred fifty-five thousand, fifty".