53638910 has 48 divisors (see below), whose sum is σ = 110757456. Its totient is φ = 18630144.

The previous prime is 53638909. The next prime is 53638939. The reversal of 53638910 is 1983635.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27797 + ... + 29663.

It is an arithmetic number, because the mean of its divisors is an integer number (2307447).

Almost surely, 2^53638910 is an apocalyptic number.

53638910 is an abundant number, since it is smaller than the sum of its proper divisors (57118546).

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

53638910 is a wasteful number, since it uses less digits than its factorization.

53638910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 53638910 is about 7323.8589554961. The cubic root of 53638910 is about 377.1319395507.

The spelling of 53638910 in words is "fifty-three million, six hundred thirty-eight thousand, nine hundred ten".