55102172067 has 12 divisors (see below), whose sum is σ = 79731424344. Its totient is φ = 36670443840.

The previous prime is 55102172039. The next prime is 55102172149. The reversal of 55102172067 is 76027120155.

55102172067 is a `hidden beast` number, since 551 + 0 + 21 + 7 + 20 + 67 = 666.

55102172067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55102172067 - 2⁶ = 55102172003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55102132067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5356038 + ... + 5366315.

It is an arithmetic number, because the mean of its divisors is an integer number (6644285362).

Almost surely, 2^55102172067 is an apocalyptic number.

55102172067 is a deficient number, since it is larger than the sum of its proper divisors (24629252277).

55102172067 is a wasteful number, since it uses less digits than its factorization.

55102172067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10722930 (or 10722927 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 55102172067 in words is "fifty-five billion, one hundred two million, one hundred seventy-two thousand, sixty-seven".