53440850 has 12 divisors (see below), whose sum is σ = 99400074. Its totient is φ = 21376320.

The previous prime is 53440789. The next prime is 53440859. The reversal of 53440850 is 5804435.

It can be written as a sum of positive squares in 3 ways, for example, as 37368769 + 16072081 = 6113^2 + 4009^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53440859) 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, 534359 + ... + 534458.

Almost surely, 2^53440850 is an apocalyptic number.

53440850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53440850 is a deficient number, since it is larger than the sum of its proper divisors (45959224).

53440850 is a wasteful number, since it uses less digits than its factorization.

53440850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068829 (or 1068824 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 53440850 is about 7310.3248901810. The cubic root of 53440850 is about 376.6671844129.

The spelling of 53440850 in words is "fifty-three million, four hundred forty thousand, eight hundred fifty".