53684253 has 72 divisors (see below), whose sum is σ = 97812000.
Its totient is φ = 28195776.
The previous prime is 53684243. The next prime is 53684263. The reversal of 53684253 is 35248635.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (53684243) and next prime (53684263).
It is not a de Polignac number, because 53684253 - 28 = 53683997 is a prime.
It is a super-3 number, since 3×536842533 (a number of 24 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53684243) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 360223 + ... + 360371.
It is an arithmetic number, because the mean of its divisors is an integer number (1358500).
Almost surely, 253684253 is an apocalyptic number.
It is an amenable number.
53684253 is a deficient number, since it is larger than the sum of its proper divisors (44127747).
53684253 is a wasteful number, since it uses less digits than its factorization.
53684253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231 (or 221 counting only the distinct ones).
The product of its digits is 86400, while the sum is 36.
The square root of 53684253 is about 7326.9538691055.
The cubic root of 53684253 is about 377.2381775863.
The spelling of 53684253 in words is "fifty-three million, six hundred eighty-four thousand, two hundred fifty-three".