53537263 has 4 divisors (see below), whose sum is σ = 57655528. Its totient is φ = 49419000.

The previous prime is 53537257. The next prime is 53537287. The reversal of 53537263 is 36273535.

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 53537263 - 2¹³ = 53529071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53537213) 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, 2059113 + ... + 2059138.

It is an arithmetic number, because the mean of its divisors is an integer number (14413882).

Almost surely, 2^53537263 is an apocalyptic number.

53537263 is a deficient number, since it is larger than the sum of its proper divisors (4118265).

53537263 is a wasteful number, since it uses less digits than its factorization.

53537263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118264.

The product of its digits is 56700, while the sum is 34.

The square root of 53537263 is about 7316.9162220159. The cubic root of 53537263 is about 376.8935642705.

The spelling of 53537263 in words is "fifty-three million, five hundred thirty-seven thousand, two hundred sixty-three".