55112522101 has 16 divisors (see below), whose sum is σ = 69215104000. Its totient is φ = 43605508464.

The previous prime is 55112522063. The next prime is 55112522117. The reversal of 55112522101 is 10122521155.

It is a happy number.

It is not a de Polignac number, because 55112522101 - 2¹⁹ = 55111997813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55112522131) 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, 6175461 + ... + 6184378.

It is an arithmetic number, because the mean of its divisors is an integer number (4325944000).

Almost surely, 2^55112522101 is an apocalyptic number.

It is an amenable number.

55112522101 is a deficient number, since it is larger than the sum of its proper divisors (14102581899).

55112522101 is a wasteful number, since it uses less digits than its factorization.

55112522101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359873 (or 12359859 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 55112522101 in words is "fifty-five billion, one hundred twelve million, five hundred twenty-two thousand, one hundred one".