53008638 has 16 divisors (see below), whose sum is σ = 107068176. Its totient is φ = 17494400.

The previous prime is 53008619. The next prime is 53008649. The reversal of 53008638 is 83680035.

It is a junction number, because it is equal to n+sod(n) for n = 53008599 and 53008608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43131 + ... + 44342.

It is an arithmetic number, because the mean of its divisors is an integer number (6691761).

Almost surely, 2^53008638 is an apocalyptic number.

53008638 is an abundant number, since it is smaller than the sum of its proper divisors (54059538).

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

53008638 is a wasteful number, since it uses less digits than its factorization.

53008638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87579.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 53008638 is about 7280.7031253856. The cubic root of 53008638 is about 375.6489811037.

The spelling of 53008638 in words is "fifty-three million, eight thousand, six hundred thirty-eight".