53861798715 has 16 divisors (see below), whose sum is σ = 86499252000. Its totient is φ = 28619501312.

The previous prime is 53861798713. The next prime is 53861798723. The reversal of 53861798715 is 51789716835.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53861798715 - 2¹ = 53861798713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53861798713) 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 15 ways as a sum of consecutive naturals, for example, 6670290 + ... + 6678359.

It is an arithmetic number, because the mean of its divisors is an integer number (5406203250).

Almost surely, 2^53861798715 is an apocalyptic number.

53861798715 is a deficient number, since it is larger than the sum of its proper divisors (32637453285).

53861798715 is a wasteful number, since it uses less digits than its factorization.

53861798715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348926.

The product of its digits is 12700800, while the sum is 60.

The spelling of 53861798715 in words is "fifty-three billion, eight hundred sixty-one million, seven hundred ninety-eight thousand, seven hundred fifteen".