55542923 has 4 divisors (see below), whose sum is σ = 55567248. Its totient is φ = 55518600.

The previous prime is 55542919. The next prime is 55542941. The reversal of 55542923 is 32924555.

55542923 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: 32924555 = 5 ⋅6584911.

It is a cyclic number.

It is not a de Polignac number, because 55542923 - 2² = 55542919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55542913) 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, 8336 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (13891812).

Almost surely, 2^55542923 is an apocalyptic number.

55542923 is a deficient number, since it is larger than the sum of its proper divisors (24325).

55542923 is a wasteful number, since it uses less digits than its factorization.

55542923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24324.

The product of its digits is 54000, while the sum is 35.

The square root of 55542923 is about 7452.7124592325. The cubic root of 55542923 is about 381.5424906595.

It can be divided in two parts, 55542 and 923, that added together give a palindrome (56465).

The spelling of 55542923 in words is "fifty-five million, five hundred forty-two thousand, nine hundred twenty-three".