55440187244036 has 48 divisors (see below), whose sum is σ = 113893763389056. Its totient is φ = 23114541521664.

The previous prime is 55440187244033. The next prime is 55440187244041. The reversal of 55440187244036 is 63044278104455.

It is a super-2 number, since 2×55440187244036² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55440187244033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3201731 + ... + 11005973.

It is an arithmetic number, because the mean of its divisors is an integer number (2372786737272).

Almost surely, 2^{55440187244036} is an apocalyptic number.

It is an amenable number.

55440187244036 is an abundant number, since it is smaller than the sum of its proper divisors (58453576145020).

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

55440187244036 is a wasteful number, since it uses less digits than its factorization.

55440187244036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811148 (or 7811146 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 53.

The spelling of 55440187244036 in words is "fifty-five trillion, four hundred forty billion, one hundred eighty-seven million, two hundred forty-four thousand, thirty-six".