53307535 has 4 divisors (see below), whose sum is σ = 63969048. Its totient is φ = 42646024.

The previous prime is 53307533. The next prime is 53307557. The reversal of 53307535 is 53570335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53307535 - 2¹ = 53307533 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53307497 and 53307506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53307533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330749 + ... + 5330758.

It is an arithmetic number, because the mean of its divisors is an integer number (15992262).

Almost surely, 2^53307535 is an apocalyptic number.

53307535 is a deficient number, since it is larger than the sum of its proper divisors (10661513).

53307535 is a wasteful number, since it uses less digits than its factorization.

53307535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661512.

The product of its (nonzero) digits is 23625, while the sum is 31.

The square root of 53307535 is about 7301.2009286144. The cubic root of 53307535 is about 376.3537088608.

The spelling of 53307535 in words is "fifty-three million, three hundred seven thousand, five hundred thirty-five".