55111749634752 has 56 divisors (see below), whose sum is σ = 145826056842096. Its totient is φ = 18369379734528.

The previous prime is 55111749634729. The next prime is 55111749634757. The reversal of 55111749634752 is 25743694711155.

It is a happy number.

It is a super-2 number, since 2×55111749634752² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55111749634757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6461343 + ... + 12327710.

Almost surely, 2^{55111749634752} is an apocalyptic number.

It is an amenable number.

55111749634752 is an abundant number, since it is smaller than the sum of its proper divisors (90714307207344).

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

55111749634752 is a wasteful number, since it uses less digits than its factorization.

55111749634752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18804345 (or 18804335 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 60.

The spelling of 55111749634752 in words is "fifty-five trillion, one hundred eleven billion, seven hundred forty-nine million, six hundred thirty-four thousand, seven hundred fifty-two".