55240923 has 8 divisors (see below), whose sum is σ = 77531200. Its totient is φ = 34888968.

The previous prime is 55240909. The next prime is 55240931. The reversal of 55240923 is 32904255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55240923 - 2⁴ = 55240907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55244923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484513 + ... + 484626.

It is an arithmetic number, because the mean of its divisors is an integer number (9691400).

Almost surely, 2^55240923 is an apocalyptic number.

55240923 is a deficient number, since it is larger than the sum of its proper divisors (22290277).

55240923 is a wasteful number, since it uses less digits than its factorization.

55240923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969161.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55240923 is about 7432.4237634839. The cubic root of 55240923 is about 380.8497213215.

The spelling of 55240923 in words is "fifty-five million, two hundred forty thousand, nine hundred twenty-three".