53318616015 has 32 divisors (see below), whose sum is σ = 97885380096. Its totient is φ = 24277104000.

The previous prime is 53318616011. The next prime is 53318616037. The reversal of 53318616015 is 51061681335.

It is not a de Polignac number, because 53318616015 - 2² = 53318616011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53318616011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 985192 + ... + 1037901.

It is an arithmetic number, because the mean of its divisors is an integer number (3058918128).

Almost surely, 2^53318616015 is an apocalyptic number.

53318616015 is a deficient number, since it is larger than the sum of its proper divisors (44566764081).

53318616015 is a wasteful number, since it uses less digits than its factorization.

53318616015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023359.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 53318616015 in words is "fifty-three billion, three hundred eighteen million, six hundred sixteen thousand, fifteen".