55119823 has 4 divisors (see below), whose sum is σ = 60130728. Its totient is φ = 50108920.

The previous prime is 55119821. The next prime is 55119839. The reversal of 55119823 is 32891155.

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 55119823 - 2¹ = 55119821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55119821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505436 + ... + 2505457.

It is an arithmetic number, because the mean of its divisors is an integer number (15032682).

Almost surely, 2^55119823 is an apocalyptic number.

55119823 is a deficient number, since it is larger than the sum of its proper divisors (5010905).

55119823 is a wasteful number, since it uses less digits than its factorization.

55119823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010904.

The product of its digits is 10800, while the sum is 34.

The square root of 55119823 is about 7424.2725569580. The cubic root of 55119823 is about 380.5712161713.

It can be divided in two parts, 55 and 119823, that multiplied together give a triangular number (6590265 = T₃₆₃₀).

The spelling of 55119823 in words is "fifty-five million, one hundred nineteen thousand, eight hundred twenty-three".