53785250 has 16 divisors (see below), whose sum is σ = 100686456. Its totient is φ = 21514000.

The previous prime is 53785231. The next prime is 53785253. The reversal of 53785250 is 5258735.

It can be written as a sum of positive squares in 4 ways, for example, as 25472209 + 28313041 = 5047^2 + 5321^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53785250.

It is not an unprimeable number, because it can be changed into a prime (53785253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107321 + ... + 107820.

Almost surely, 2^53785250 is an apocalyptic number.

53785250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53785250 is a deficient number, since it is larger than the sum of its proper divisors (46901206).

53785250 is a wasteful number, since it uses less digits than its factorization.

53785250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215158 (or 215148 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 53785250 is about 7333.8427853343. The cubic root of 53785250 is about 377.4745973579.

The spelling of 53785250 in words is "fifty-three million, seven hundred eighty-five thousand, two hundred fifty".