53863605015 has 32 divisors (see below), whose sum is σ = 95206579200. Its totient is φ = 25785102720.

The previous prime is 53863605007. The next prime is 53863605017. The reversal of 53863605015 is 51050636835.

It is a happy number.

It is not a de Polignac number, because 53863605015 - 2³ = 53863605007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53863605017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2053080 + ... + 2079149.

It is an arithmetic number, because the mean of its divisors is an integer number (2975205600).

Almost surely, 2^53863605015 is an apocalyptic number.

53863605015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53863605015 is a deficient number, since it is larger than the sum of its proper divisors (41342974185).

53863605015 is a wasteful number, since it uses less digits than its factorization.

53863605015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132327.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 53863605015 in words is "fifty-three billion, eight hundred sixty-three million, six hundred five thousand, fifteen".