53526979680 has 96 divisors (see below), whose sum is σ = 174424168800. Its totient is φ = 13781655552.

The previous prime is 53526979661. The next prime is 53526979717. The reversal of 53526979680 is 8697962535.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1908745 + ... + 1936584.

It is an arithmetic number, because the mean of its divisors is an integer number (1816918425).

Almost surely, 2^53526979680 is an apocalyptic number.

It is an amenable number.

53526979680 is an abundant number, since it is smaller than the sum of its proper divisors (120897189120).

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

53526979680 is a wasteful number, since it uses less digits than its factorization.

53526979680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845376 (or 3845368 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 53526979680 in words is "fifty-three billion, five hundred twenty-six million, nine hundred seventy-nine thousand, six hundred eighty".