55417801140 has 144 divisors (see below), whose sum is σ = 187274178000. Its totient is φ = 13170898944.

The previous prime is 55417801091. The next prime is 55417801141. The reversal of 55417801140 is 4110871455.

55417801140 is a `hidden beast` number, since 5 + 541 + 78 + 0 + 1 + 1 + 40 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 15548094864 + 39869706276 = 124692^2 + 199674^2 .

It is a super-2 number, since 2×55417801140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55417801095 and 55417801104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55417801141) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 340465 + ... + 476184.

It is an arithmetic number, because the mean of its divisors is an integer number (1300515125).

Almost surely, 2^55417801140 is an apocalyptic number.

It is an amenable number.

55417801140 is an abundant number, since it is smaller than the sum of its proper divisors (131856376860).

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

55417801140 is a wasteful number, since it uses less digits than its factorization.

55417801140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816706 (or 816701 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 55417801140 in words is "fifty-five billion, four hundred seventeen million, eight hundred one thousand, one hundred forty".