53587879 has 4 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 52985680.

The previous prime is 53587843. The next prime is 53587883. The reversal of 53587879 is 97878535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53587879 - 2⁹ = 53587367 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 (53587819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300967 + ... + 301144.

It is an arithmetic number, because the mean of its divisors is an integer number (13547520).

Almost surely, 2^53587879 is an apocalyptic number.

53587879 is a deficient number, since it is larger than the sum of its proper divisors (602201).

53587879 is an equidigital number, since it uses as much as digits as its factorization.

53587879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602200.

The product of its digits is 2116800, while the sum is 52.

The square root of 53587879 is about 7320.3742390673. The cubic root of 53587879 is about 377.0123029755.

The spelling of 53587879 in words is "fifty-three million, five hundred eighty-seven thousand, eight hundred seventy-nine".