53250736 has 40 divisors (see below), whose sum is σ = 128634624. Its totient is φ = 20746560.

The previous prime is 53250707. The next prime is 53250737. The reversal of 53250736 is 63705235.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53250698 and 53250707.

It is not an unprimeable number, because it can be changed into a prime (53250737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20380 + ... + 22843.

Almost surely, 2^53250736 is an apocalyptic number.

53250736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53250736 is an abundant number, since it is smaller than the sum of its proper divisors (75383888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53250736 is a wasteful number, since it uses less digits than its factorization.

53250736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43249 (or 43243 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 53250736 is about 7297.3101893780. The cubic root of 53250736 is about 376.2199934864.

The spelling of 53250736 in words is "fifty-three million, two hundred fifty thousand, seven hundred thirty-six".