53474638 has 8 divisors (see below), whose sum is σ = 91670832. Its totient is φ = 22917696.

The previous prime is 53474633. The next prime is 53474653. The reversal of 53474638 is 83647435.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53474638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53474633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1909795 + ... + 1909822.

It is an arithmetic number, because the mean of its divisors is an integer number (11458854).

Almost surely, 2^53474638 is an apocalyptic number.

53474638 is a deficient number, since it is larger than the sum of its proper divisors (38196194).

53474638 is a wasteful number, since it uses less digits than its factorization.

53474638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819626.

The product of its digits is 241920, while the sum is 40.

The square root of 53474638 is about 7312.6355030180. The cubic root of 53474638 is about 376.7465503511.

The spelling of 53474638 in words is "fifty-three million, four hundred seventy-four thousand, six hundred thirty-eight".