53979587 has 8 divisors (see below), whose sum is σ = 55805952. Its totient is φ = 52158600.

The previous prime is 53979581. The next prime is 53979593. The reversal of 53979587 is 78597935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53979581) and next prime (53979593).

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 53979587 - 2¹² = 53975491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53979581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35558 + ... + 37044.

It is an arithmetic number, because the mean of its divisors is an integer number (6975744).

Almost surely, 2^53979587 is an apocalyptic number.

53979587 is a deficient number, since it is larger than the sum of its proper divisors (1826365).

53979587 is a wasteful number, since it uses less digits than its factorization.

53979587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its digits is 2381400, while the sum is 53.

The square root of 53979587 is about 7347.0801683390. The cubic root of 53979587 is about 377.9286816170.

The spelling of 53979587 in words is "fifty-three million, nine hundred seventy-nine thousand, five hundred eighty-seven".