53899917616 has 20 divisors (see below), whose sum is σ = 104442580872. Its totient is φ = 26946993536.

The previous prime is 53899917601. The next prime is 53899917641. The reversal of 53899917616 is 61671999835.

It is a happy number.

53899917616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53899917616² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31501 + ... + 329836.

Almost surely, 2^53899917616 is an apocalyptic number.

It is an amenable number.

53899917616 is a deficient number, since it is larger than the sum of its proper divisors (50542663256).

53899917616 is a wasteful number, since it uses less digits than its factorization.

53899917616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370668 (or 370662 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 64.

The spelling of 53899917616 in words is "fifty-three billion, eight hundred ninety-nine million, nine hundred seventeen thousand, six hundred sixteen".