55065123 has 16 divisors (see below), whose sum is σ = 81937440. Its totient is φ = 36548352.

The previous prime is 55065103. The next prime is 55065137. The reversal of 55065123 is 32156055.

55065123 is a `hidden beast` number, since 5 + 5 + 0 + 651 + 2 + 3 = 666.

It is not a de Polignac number, because 55065123 - 2¹⁴ = 55048739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55065103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1915 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (5121090).

Almost surely, 2^55065123 is an apocalyptic number.

55065123 is a deficient number, since it is larger than the sum of its proper divisors (26872317).

55065123 is a wasteful number, since it uses less digits than its factorization.

55065123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995 (or 8989 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55065123 is about 7420.5877799538. The cubic root of 55065123 is about 380.4452836457.

The spelling of 55065123 in words is "fifty-five million, sixty-five thousand, one hundred twenty-three".