55152860181 has 16 divisors (see below), whose sum is σ = 78029625024. Its totient is φ = 34531599104.

The previous prime is 55152860179. The next prime is 55152860227. The reversal of 55152860181 is 18106825155.

It is a cyclic number.

It is not a de Polignac number, because 55152860181 - 2¹ = 55152860179 is a prime.

It is a super-2 number, since 2×55152860181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55152860131) 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, 1134030 + ... + 1181663.

It is an arithmetic number, because the mean of its divisors is an integer number (4876851564).

Almost surely, 2^55152860181 is an apocalyptic number.

55152860181 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55152860181 is a deficient number, since it is larger than the sum of its proper divisors (22876764843).

55152860181 is a wasteful number, since it uses less digits than its factorization.

55152860181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316180.

The product of its (nonzero) digits is 96000, while the sum is 42.

The spelling of 55152860181 in words is "fifty-five billion, one hundred fifty-two million, eight hundred sixty thousand, one hundred eighty-one".