53815302905 has 24 divisors (see below), whose sum is σ = 79917780672. Its totient is φ = 34063308864.

The previous prime is 53815302857. The next prime is 53815302949. The reversal of 53815302905 is 50920351835.

It is not a de Polignac number, because 53815302905 - 2²⁸ = 53546867449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4543139 + ... + 4554968.

It is an arithmetic number, because the mean of its divisors is an integer number (3329907528).

Almost surely, 2^53815302905 is an apocalyptic number.

It is an amenable number.

53815302905 is a deficient number, since it is larger than the sum of its proper divisors (26102477767).

53815302905 is a wasteful number, since it uses less digits than its factorization.

53815302905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098145 (or 9098132 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 53815302905 in words is "fifty-three billion, eight hundred fifteen million, three hundred two thousand, nine hundred five".