53809155680 has 48 divisors (see below), whose sum is σ = 145284723360. Its totient is φ = 18448852992.

The previous prime is 53809155649. The next prime is 53809155689. The reversal of 53809155680 is 8655190835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53809155689) 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, 24020825 + ... + 24023064.

It is an arithmetic number, because the mean of its divisors is an integer number (3026765070).

Almost surely, 2^53809155680 is an apocalyptic number.

It is an amenable number.

53809155680 is an abundant number, since it is smaller than the sum of its proper divisors (91475567680).

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

53809155680 is a wasteful number, since it uses less digits than its factorization.

53809155680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48043911 (or 48043903 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 53809155680 in words is "fifty-three billion, eight hundred nine million, one hundred fifty-five thousand, six hundred eighty".