53394587 has 8 divisors (see below), whose sum is σ = 55626480. Its totient is φ = 51207040.

The previous prime is 53394533. The next prime is 53394613. The reversal of 53394587 is 78549335.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53394587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53394787) 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, 8618 + ... + 13455.

It is an arithmetic number, because the mean of its divisors is an integer number (6953310).

Almost surely, 2^53394587 is an apocalyptic number.

53394587 is a deficient number, since it is larger than the sum of its proper divisors (2231893).

53394587 is a wasteful number, since it uses less digits than its factorization.

53394587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173.

The product of its digits is 453600, while the sum is 44.

The square root of 53394587 is about 7307.1599818260. The cubic root of 53394587 is about 376.5584611873.

The spelling of 53394587 in words is "fifty-three million, three hundred ninety-four thousand, five hundred eighty-seven".