53435399968 has 48 divisors (see below), whose sum is σ = 110933172000. Its totient is φ = 25266857472.

The previous prime is 53435399933. The next prime is 53435399981. The reversal of 53435399968 is 86999353435.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268723 + ... + 423181.

It is an arithmetic number, because the mean of its divisors is an integer number (2311107750).

Almost surely, 2^53435399968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53435399968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55466586000).

53435399968 is an abundant number, since it is smaller than the sum of its proper divisors (57497772032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53435399968 is a wasteful number, since it uses less digits than its factorization.

53435399968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155057 (or 155049 counting only the distinct ones).

The product of its digits is 94478400, while the sum is 64.

The spelling of 53435399968 in words is "fifty-three billion, four hundred thirty-five million, three hundred ninety-nine thousand, nine hundred sixty-eight".