55123006 has 4 divisors (see below), whose sum is σ = 82684512. Its totient is φ = 27561502.

The previous prime is 55123001. The next prime is 55123037. The reversal of 55123006 is 60032155.

It is a happy number.

55123006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60032155 = 5 ⋅12006431.

It is a super-3 number, since 3×55123006³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55123001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13780750 + ... + 13780753.

It is an arithmetic number, because the mean of its divisors is an integer number (20671128).

Almost surely, 2^55123006 is an apocalyptic number.

55123006 is a deficient number, since it is larger than the sum of its proper divisors (27561506).

55123006 is a wasteful number, since it uses less digits than its factorization.

55123006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27561505.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 55123006 is about 7424.4869182995. The cubic root of 55123006 is about 380.5785416354.

The spelling of 55123006 in words is "fifty-five million, one hundred twenty-three thousand, six".