53967979 has 8 divisors (see below), whose sum is σ = 61538400. Its totient is φ = 46886016.

The previous prime is 53967973. The next prime is 53967989. The reversal of 53967979 is 97976935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53967979 - 2¹⁷ = 53836907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53967973) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121879 + ... + 122320.

It is an arithmetic number, because the mean of its divisors is an integer number (7692300).

Almost surely, 2^53967979 is an apocalyptic number.

53967979 is a deficient number, since it is larger than the sum of its proper divisors (7570421).

53967979 is a wasteful number, since it uses less digits than its factorization.

53967979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244229.

The product of its digits is 3214890, while the sum is 55.

The square root of 53967979 is about 7346.2901521789. The cubic root of 53967979 is about 377.9015892111.

It can be divided in two parts, 53967 and 979, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 53967979 in words is "fifty-three million, nine hundred sixty-seven thousand, nine hundred seventy-nine".