53237638 has 8 divisors (see below), whose sum is σ = 80485632. Its totient is φ = 26409096.

The previous prime is 53237603. The next prime is 53237641. The reversal of 53237638 is 83673235.

53237638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 53237597 and 53237606.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104545 + ... + 105052.

It is an arithmetic number, because the mean of its divisors is an integer number (10060704).

Almost surely, 2^53237638 is an apocalyptic number.

53237638 is a deficient number, since it is larger than the sum of its proper divisors (27247994).

53237638 is a wasteful number, since it uses less digits than its factorization.

53237638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209726.

The product of its digits is 90720, while the sum is 37.

The square root of 53237638 is about 7296.4126802148. The cubic root of 53237638 is about 376.1891448764.

The spelling of 53237638 in words is "fifty-three million, two hundred thirty-seven thousand, six hundred thirty-eight".