53605978180 has 12 divisors (see below), whose sum is σ = 112572554220. Its totient is φ = 21442391264.

The previous prime is 53605978157. The next prime is 53605978207. The reversal of 53605978180 is 8187950635.

It can be written as a sum of positive squares in 2 ways, for example, as 13359198724 + 40246779456 = 115582^2 + 200616^2 .

It is a super-2 number, since 2×53605978180² (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, 1340149435 + ... + 1340149474.

It is an arithmetic number, because the mean of its divisors is an integer number (9381046185).

Almost surely, 2^53605978180 is an apocalyptic number.

It is an amenable number.

53605978180 is an abundant number, since it is smaller than the sum of its proper divisors (58966576040).

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

53605978180 is a wasteful number, since it uses less digits than its factorization.

53605978180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680298918 (or 2680298916 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 53605978180 in words is "fifty-three billion, six hundred five million, nine hundred seventy-eight thousand, one hundred eighty".