53137636 has 24 divisors (see below), whose sum is σ = 99106560. Its totient is φ = 24870912.

The previous prime is 53137621. The next prime is 53137639. The reversal of 53137636 is 63673135.

It is not an unprimeable number, because it can be changed into a prime (53137639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821 + ... + 10468.

It is an arithmetic number, because the mean of its divisors is an integer number (4129440).

Almost surely, 2^53137636 is an apocalyptic number.

It is an amenable number.

53137636 is a deficient number, since it is larger than the sum of its proper divisors (45968924).

53137636 is a wasteful number, since it uses less digits than its factorization.

53137636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12363 (or 12361 counting only the distinct ones).

The product of its digits is 34020, while the sum is 34.

The square root of 53137636 is about 7289.5566394672. The cubic root of 53137636 is about 375.9534516844.

The spelling of 53137636 in words is "fifty-three million, one hundred thirty-seven thousand, six hundred thirty-six".