53383687 has 6 divisors (see below), whose sum is σ = 62099448. Its totient is φ = 45757404.

The previous prime is 53383619. The next prime is 53383703. The reversal of 53383687 is 78638335.

It is not a de Polignac number, because 53383687 - 2¹⁵ = 53350919 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 (53383087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 544683 + ... + 544780.

It is an arithmetic number, because the mean of its divisors is an integer number (10349908).

Almost surely, 2^53383687 is an apocalyptic number.

53383687 is a deficient number, since it is larger than the sum of its proper divisors (8715761).

53383687 is a wasteful number, since it uses less digits than its factorization.

53383687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089477 (or 1089470 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 53383687 is about 7306.4140999535. The cubic root of 53383687 is about 376.5328358272.

It can be divided in two parts, 5338 and 3687, that added together give a square (9025 = 95²).

The spelling of 53383687 in words is "fifty-three million, three hundred eighty-three thousand, six hundred eighty-seven".