53983967 has 4 divisors (see below), whose sum is σ = 56331120. Its totient is φ = 51636816.

The previous prime is 53983957. The next prime is 53983981. The reversal of 53983967 is 76938935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76938935 = 5 ⋅15387787.

It is a cyclic number.

It is not a de Polignac number, because 53983967 - 2⁸ = 53983711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53983957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173542 + ... + 1173587.

It is an arithmetic number, because the mean of its divisors is an integer number (14082780).

Almost surely, 2^53983967 is an apocalyptic number.

53983967 is a deficient number, since it is larger than the sum of its proper divisors (2347153).

53983967 is a wasteful number, since it uses less digits than its factorization.

53983967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347152.

The product of its digits is 1224720, while the sum is 50.

The square root of 53983967 is about 7347.3782398894. The cubic root of 53983967 is about 377.9389032764.

The spelling of 53983967 in words is "fifty-three million, nine hundred eighty-three thousand, nine hundred sixty-seven".