53587967 has 4 divisors (see below), whose sum is σ = 53646096. Its totient is φ = 53529840.

The previous prime is 53587957. The next prime is 53587979. The reversal of 53587967 is 76978535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76978535 = 5 ⋅15395707.

It is a cyclic number.

It is not a de Polignac number, because 53587967 - 2¹⁸ = 53325823 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 (53587957) 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, 27659 + ... + 29532.

It is an arithmetic number, because the mean of its divisors is an integer number (13411524).

Almost surely, 2^53587967 is an apocalyptic number.

53587967 is a deficient number, since it is larger than the sum of its proper divisors (58129).

53587967 is an equidigital number, since it uses as much as digits as its factorization.

53587967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58128.

The product of its digits is 1587600, while the sum is 50.

The square root of 53587967 is about 7320.3802496865. The cubic root of 53587967 is about 377.0125093472.

The spelling of 53587967 in words is "fifty-three million, five hundred eighty-seven thousand, nine hundred sixty-seven".