53500312 has 8 divisors (see below), whose sum is σ = 100313100. Its totient is φ = 26750152.

The previous prime is 53500289. The next prime is 53500319. The reversal of 53500312 is 21300535.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 53500312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53500319) 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 as a sum of consecutive naturals, namely, 3343762 + ... + 3343777.

Almost surely, 2^53500312 is an apocalyptic number.

It is an amenable number.

53500312 is a deficient number, since it is larger than the sum of its proper divisors (46812788).

53500312 is a wasteful number, since it uses less digits than its factorization.

53500312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687545 (or 6687541 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53500312 is about 7314.3907470137. The cubic root of 53500312 is about 376.8068346511.

Adding to 53500312 its reverse (21300535), we get a palindrome (74800847).

The spelling of 53500312 in words is "fifty-three million, five hundred thousand, three hundred twelve".