55554923 has 4 divisors (see below), whose sum is σ = 57470640. Its totient is φ = 53639208.

The previous prime is 55554911. The next prime is 55554943. The reversal of 55554923 is 32945555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32945555 = 5 ⋅6589111.

It is a cyclic number.

It is not a de Polignac number, because 55554923 - 2¹⁶ = 55489387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55554943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957815 + ... + 957872.

It is an arithmetic number, because the mean of its divisors is an integer number (14367660).

Almost surely, 2^55554923 is an apocalyptic number.

55554923 is a deficient number, since it is larger than the sum of its proper divisors (1915717).

55554923 is a wasteful number, since it uses less digits than its factorization.

55554923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915716.

The product of its digits is 135000, while the sum is 38.

The square root of 55554923 is about 7453.5174917619. The cubic root of 55554923 is about 381.5699659882.

The spelling of 55554923 in words is "fifty-five million, five hundred fifty-four thousand, nine hundred twenty-three".