53986975 has 18 divisors (see below), whose sum is σ = 77875224. Its totient is φ = 37018800.

The previous prime is 53986949. The next prime is 53986981. The reversal of 53986975 is 57968935.

It is not a de Polignac number, because 53986975 - 2¹¹ = 53984927 is a prime.

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 17 ways as a sum of consecutive naturals, for example, 20811 + ... + 23260.

Almost surely, 2^53986975 is an apocalyptic number.

53986975 is a deficient number, since it is larger than the sum of its proper divisors (23888249).

53986975 is a wasteful number, since it uses less digits than its factorization.

53986975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44095 (or 44083 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 52.

The square root of 53986975 is about 7347.5829359048. The cubic root of 53986975 is about 377.9459227624.

The spelling of 53986975 in words is "fifty-three million, nine hundred eighty-six thousand, nine hundred seventy-five".