53589887 has 8 divisors (see below), whose sum is σ = 58443840. Its totient is φ = 48840480.

The previous prime is 53589871. The next prime is 53589919. The reversal of 53589887 is 78898535.

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

It is not a de Polignac number, because 53589887 - 2⁴ = 53589871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53589817) 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, 25064 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (7305480).

Almost surely, 2^53589887 is an apocalyptic number.

53589887 is a deficient number, since it is larger than the sum of its proper divisors (4853953).

53589887 is a wasteful number, since it uses less digits than its factorization.

53589887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52273.

The product of its digits is 2419200, while the sum is 53.

The square root of 53589887 is about 7320.5113892405. The cubic root of 53589887 is about 377.0170119461.

The spelling of 53589887 in words is "fifty-three million, five hundred eighty-nine thousand, eight hundred eighty-seven".