55154610223 has 4 divisors (see below), whose sum is σ = 55551406120. Its totient is φ = 54757814328.

The previous prime is 55154610197. The next prime is 55154610241. The reversal of 55154610223 is 32201645155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32201645155 = 5 ⋅6440329031.

It is a cyclic number.

It is not a de Polignac number, because 55154610223 - 2²⁹ = 54617739311 is a prime.

It is a super-2 number, since 2×55154610223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154610323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198397740 + ... + 198398017.

It is an arithmetic number, because the mean of its divisors is an integer number (13887851530).

Almost surely, 2^55154610223 is an apocalyptic number.

55154610223 is a deficient number, since it is larger than the sum of its proper divisors (396795897).

55154610223 is a wasteful number, since it uses less digits than its factorization.

55154610223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396795896.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 55154610223 in words is "fifty-five billion, one hundred fifty-four million, six hundred ten thousand, two hundred twenty-three".