53257535 has 16 divisors (see below), whose sum is σ = 68843520. Its totient is φ = 39436320.

The previous prime is 53257499. The next prime is 53257537. The reversal of 53257535 is 53575235.

It is not a de Polignac number, because 53257535 - 2¹² = 53253439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53257495 and 53257504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53257537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3905 + ... + 11034.

It is an arithmetic number, because the mean of its divisors is an integer number (4302720).

Almost surely, 2^53257535 is an apocalyptic number.

53257535 is a deficient number, since it is larger than the sum of its proper divisors (15585985).

53257535 is a wasteful number, since it uses less digits than its factorization.

53257535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14998.

The product of its digits is 78750, while the sum is 35.

The square root of 53257535 is about 7297.7760310933. The cubic root of 53257535 is about 376.2360046008.

The spelling of 53257535 in words is "fifty-three million, two hundred fifty-seven thousand, five hundred thirty-five".