53986057 has 4 divisors (see below), whose sum is σ = 54746496. Its totient is φ = 53225620.

The previous prime is 53986043. The next prime is 53986069. The reversal of 53986057 is 75068935.

53986057 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53986057 - 2¹¹ = 53984009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53986157) 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 in 3 ways as a sum of consecutive naturals, for example, 380113 + ... + 380254.

It is an arithmetic number, because the mean of its divisors is an integer number (13686624).

Almost surely, 2^53986057 is an apocalyptic number.

It is an amenable number.

53986057 is a deficient number, since it is larger than the sum of its proper divisors (760439).

53986057 is an equidigital number, since it uses as much as digits as its factorization.

53986057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760438.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 53986057 is about 7347.5204661164. The cubic root of 53986057 is about 377.9437805400.

The spelling of 53986057 in words is "fifty-three million, nine hundred eighty-six thousand, fifty-seven".