53587855 has 4 divisors (see below), whose sum is σ = 64305432. Its totient is φ = 42870280.

The previous prime is 53587843. The next prime is 53587883. The reversal of 53587855 is 55878535.

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

It is not a de Polignac number, because 53587855 - 2⁷ = 53587727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5358781 + ... + 5358790.

It is an arithmetic number, because the mean of its divisors is an integer number (16076358).

Almost surely, 2^53587855 is an apocalyptic number.

53587855 is a deficient number, since it is larger than the sum of its proper divisors (10717577).

53587855 is a wasteful number, since it uses less digits than its factorization.

53587855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10717576.

The product of its digits is 840000, while the sum is 46.

The square root of 53587855 is about 7320.3725998067. The cubic root of 53587855 is about 377.0122466923.

The spelling of 53587855 in words is "fifty-three million, five hundred eighty-seven thousand, eight hundred fifty-five".