210053650 has 12 divisors (see below), whose sum is σ = 390699882. Its totient is φ = 84021440.

The previous prime is 210053647. The next prime is 210053651. The reversal of 210053650 is 56350012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 117874449 + 92179201 = 10857^2 + 9601^2 .

It is not an unprimeable number, because it can be changed into a prime (210053651) 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, 2100487 + ... + 2100586.

Almost surely, 2^210053650 is an apocalyptic number.

210053650 is a deficient number, since it is larger than the sum of its proper divisors (180646232).

210053650 is a wasteful number, since it uses less digits than its factorization.

210053650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201085 (or 4201080 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 210053650 is about 14493.2277288394. The cubic root of 210053650 is about 594.4428086510.

The spelling of 210053650 in words is "two hundred ten million, fifty-three thousand, six hundred fifty".