53565610615 has 8 divisors (see below), whose sum is σ = 70122253968. Its totient is φ = 38956807680.

The previous prime is 53565610603. The next prime is 53565610619. The reversal of 53565610615 is 51601656535.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-53565610615 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 (53565610619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486960042 + ... + 486960151.

It is an arithmetic number, because the mean of its divisors is an integer number (8765281746).

Almost surely, 2^53565610615 is an apocalyptic number.

53565610615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53565610615 is a deficient number, since it is larger than the sum of its proper divisors (16556643353).

53565610615 is a wasteful number, since it uses less digits than its factorization.

53565610615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973920209.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 53565610615 in words is "fifty-three billion, five hundred sixty-five million, six hundred ten thousand, six hundred fifteen".