53253637 has 6 divisors (see below), whose sum is σ = 56204358. Its totient is φ = 50450472.

The previous prime is 53253617. The next prime is 53253647. The reversal of 53253637 is 73635235.

It can be written as a sum of positive squares in only one way, i.e., 45239076 + 8014561 = 6726^2 + 2831^2 .

It is not a de Polignac number, because 53253637 - 2⁷ = 53253509 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 (53253617) 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 in 5 ways as a sum of consecutive naturals, for example, 73398 + ... + 74119.

It is an arithmetic number, because the mean of its divisors is an integer number (9367393).

Almost surely, 2^53253637 is an apocalyptic number.

It is an amenable number.

53253637 is a deficient number, since it is larger than the sum of its proper divisors (2950721).

53253637 is a wasteful number, since it uses less digits than its factorization.

53253637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147555 (or 147536 counting only the distinct ones).

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

The square root of 53253637 is about 7297.5089585419. The cubic root of 53253637 is about 376.2268252817.

The spelling of 53253637 in words is "fifty-three million, two hundred fifty-three thousand, six hundred thirty-seven".