53577638 has 4 divisors (see below), whose sum is σ = 80366460. Its totient is φ = 26788818.

The previous prime is 53577637. The next prime is 53577661. The reversal of 53577638 is 83677535.

53577638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53577631) 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 as a sum of consecutive naturals, namely, 13394408 + ... + 13394411.

It is an arithmetic number, because the mean of its divisors is an integer number (20091615).

Almost surely, 2^53577638 is an apocalyptic number.

53577638 is a deficient number, since it is larger than the sum of its proper divisors (26788822).

53577638 is a wasteful number, since it uses less digits than its factorization.

53577638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26788821.

The product of its digits is 529200, while the sum is 44.

The square root of 53577638 is about 7319.6747195487. The cubic root of 53577638 is about 376.9882849261.

The spelling of 53577638 in words is "fifty-three million, five hundred seventy-seven thousand, six hundred thirty-eight".