55988551107 has 16 divisors (see below), whose sum is σ = 83148820000. Its totient is φ = 37234432512.

The previous prime is 55988551103. The next prime is 55988551127. The reversal of 55988551107 is 70115588955.

55988551107 is a `hidden beast` number, since 5 + 5 + 9 + 88 + 551 + 1 + 0 + 7 = 666.

It is not a de Polignac number, because 55988551107 - 2² = 55988551103 is a prime.

It is a super-2 number, since 2×55988551107² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55988551103) 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 15 ways as a sum of consecutive naturals, for example, 2523982 + ... + 2546067.

It is an arithmetic number, because the mean of its divisors is an integer number (5196801250).

Almost surely, 2^55988551107 is an apocalyptic number.

55988551107 is a deficient number, since it is larger than the sum of its proper divisors (27160268893).

55988551107 is a wasteful number, since it uses less digits than its factorization.

55988551107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070467 (or 5070461 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 54.

Adding to 55988551107 its sum of digits (54), we get a square (55988551161 = 236619²).

The spelling of 55988551107 in words is "fifty-five billion, nine hundred eighty-eight million, five hundred fifty-one thousand, one hundred seven".