53243034850 has 24 divisors (see below), whose sum is σ = 99057948948. Its totient is φ = 21291643200.

The previous prime is 53243034809. The next prime is 53243034853. The reversal of 53243034850 is 5843034235.

It can be written as a sum of positive squares in 6 ways, for example, as 15374264049 + 37868770801 = 123993^2 + 194599^2 .

It is not an unprimeable number, because it can be changed into a prime (53243034853) 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, 56520 + ... + 331180.

Almost surely, 2^53243034850 is an apocalyptic number.

53243034850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53243034850 is a deficient number, since it is larger than the sum of its proper divisors (45814914098).

53243034850 is a wasteful number, since it uses less digits than its factorization.

53243034850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278550 (or 278545 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 53243034850 in words is "fifty-three billion, two hundred forty-three million, thirty-four thousand, eight hundred fifty".