54865123 has 4 divisors (see below), whose sum is σ = 55900368. Its totient is φ = 53829880.

The previous prime is 54865099. The next prime is 54865127. The reversal of 54865123 is 32156845.

54865123 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.

It is a cyclic number.

It is not a de Polignac number, because 54865123 - 2¹³ = 54856931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54865127) 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 in 3 ways as a sum of consecutive naturals, for example, 517543 + ... + 517648.

It is an arithmetic number, because the mean of its divisors is an integer number (13975092).

Almost surely, 2^54865123 is an apocalyptic number.

54865123 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

54865123 is a deficient number, since it is larger than the sum of its proper divisors (1035245).

54865123 is a wasteful number, since it uses less digits than its factorization.

54865123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035244.

The product of its digits is 28800, while the sum is 34.

The square root of 54865123 is about 7407.0994998042. The cubic root of 54865123 is about 379.9841244522.

It can be divided in two parts, 5486 and 5123, that added together give a square (10609 = 103²).

The spelling of 54865123 in words is "fifty-four million, eight hundred sixty-five thousand, one hundred twenty-three".