53815716867 has 8 divisors (see below), whose sum is σ = 78277406400. Its totient is φ = 32615585960.

The previous prime is 53815716847. The next prime is 53815716881. The reversal of 53815716867 is 76861751835.

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

It is a cyclic number.

It is not a de Polignac number, because 53815716867 - 2⁸ = 53815716611 is a prime.

It is a super-2 number, since 2×53815716867² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53815716847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815389617 + ... + 815389682.

It is an arithmetic number, because the mean of its divisors is an integer number (9784675800).

Almost surely, 2^53815716867 is an apocalyptic number.

53815716867 is a deficient number, since it is larger than the sum of its proper divisors (24461689533).

53815716867 is a wasteful number, since it uses less digits than its factorization.

53815716867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630779313.

The product of its digits is 8467200, while the sum is 57.

The spelling of 53815716867 in words is "fifty-three billion, eight hundred fifteen million, seven hundred sixteen thousand, eight hundred sixty-seven".