53389736 has 8 divisors (see below), whose sum is σ = 100105770. Its totient is φ = 26694864.

The previous prime is 53389729. The next prime is 53389757. The reversal of 53389736 is 63798335.

53389736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53377636 + 12100 = 7306^2 + 110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 3336851 + ... + 3336866.

Almost surely, 2^53389736 is an apocalyptic number.

It is an amenable number.

53389736 is a deficient number, since it is larger than the sum of its proper divisors (46716034).

53389736 is a wasteful number, since it uses less digits than its factorization.

53389736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673723 (or 6673719 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 53389736 is about 7306.8280395805. The cubic root of 53389736 is about 376.5470571573.

The spelling of 53389736 in words is "fifty-three million, three hundred eighty-nine thousand, seven hundred thirty-six".