53613699 has 16 divisors (see below), whose sum is σ = 77303808. Its totient is φ = 32922752.

The previous prime is 53613697. The next prime is 53613701. The reversal of 53613699 is 99631635.

It is an interprime number because it is at equal distance from previous prime (53613697) and next prime (53613701).

It is a cyclic number.

It is not a de Polignac number, because 53613699 - 2¹ = 53613697 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 53613699.

It is not an unprimeable number, because it can be changed into a prime (53613697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8787 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (4831488).

Almost surely, 2^53613699 is an apocalyptic number.

53613699 is a deficient number, since it is larger than the sum of its proper divisors (23690109).

53613699 is a wasteful number, since it uses less digits than its factorization.

53613699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22434.

The product of its digits is 131220, while the sum is 42.

The square root of 53613699 is about 7322.1375977238. The cubic root of 53613699 is about 377.0728446180.

The spelling of 53613699 in words is "fifty-three million, six hundred thirteen thousand, six hundred ninety-nine".