53761638 has 32 divisors (see below), whose sum is σ = 123653376. Its totient is φ = 15264288.

The previous prime is 53761627. The next prime is 53761639. The reversal of 53761638 is 83616735.

53761638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 53761596 and 53761605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53761639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2920 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (3864168).

Almost surely, 2^53761638 is an apocalyptic number.

53761638 is an abundant number, since it is smaller than the sum of its proper divisors (69891738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53761638 is a wasteful number, since it uses less digits than its factorization.

53761638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028.

The product of its digits is 90720, while the sum is 39.

The square root of 53761638 is about 7332.2328113611. The cubic root of 53761638 is about 377.4193515128.

The spelling of 53761638 in words is "fifty-three million, seven hundred sixty-one thousand, six hundred thirty-eight".