53340685 has 4 divisors (see below), whose sum is σ = 64008828. Its totient is φ = 42672544.

The previous prime is 53340671. The next prime is 53340691. The reversal of 53340685 is 58604335.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11634921 + 41705764 = 3411^2 + 6458^2 .

It is a cyclic number.

It is not a de Polignac number, because 53340685 - 2⁵ = 53340653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53340685.

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, 5334064 + ... + 5334073.

It is an arithmetic number, because the mean of its divisors is an integer number (16002207).

Almost surely, 2^53340685 is an apocalyptic number.

It is an amenable number.

53340685 is a deficient number, since it is larger than the sum of its proper divisors (10668143).

53340685 is a wasteful number, since it uses less digits than its factorization.

53340685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668142.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 53340685 is about 7303.4707502666. The cubic root of 53340685 is about 376.4317062158.

The spelling of 53340685 in words is "fifty-three million, three hundred forty thousand, six hundred eighty-five".