55535989641120 has 72 divisors (see below), whose sum is σ = 189516564655236. Its totient is φ = 14809597237248.

The previous prime is 55535989641103. The next prime is 55535989641137. The reversal of 55535989641120 is 2114698953555.

55535989641120 is a `hidden beast` number, since 5 + 5 + 5 + 3 + 598 + 9 + 6 + 4 + 11 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (55535989641103) and next prime (55535989641137).

It can be written as a sum of positive squares in 2 ways, for example, as 50826690352656 + 4709299288464 = 7129284^2 + 2170092^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×55535989641120² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19283328297 + ... + 19283331176.

Almost surely, 2^{55535989641120} is an apocalyptic number.

It is an amenable number.

55535989641120 is an abundant number, since it is smaller than the sum of its proper divisors (133980575014116).

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

55535989641120 is a wasteful number, since it uses less digits than its factorization.

55535989641120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38566659494 (or 38566659483 counting only the distinct ones).

The product of its (nonzero) digits is 58320000, while the sum is 63.

The spelling of 55535989641120 in words is "fifty-five trillion, five hundred thirty-five billion, nine hundred eighty-nine million, six hundred forty-one thousand, one hundred twenty".