55100401423 has 2 divisors, whose sum is σ = 55100401424. Its totient is φ = 55100401422.

The previous prime is 55100401403. The next prime is 55100401427. The reversal of 55100401423 is 32410400155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55100401423 - 2⁹ = 55100400911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55100401427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550200711 + 27550200712.

It is an arithmetic number, because the mean of its divisors is an integer number (27550200712).

Almost surely, 2^55100401423 is an apocalyptic number.

55100401423 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100401423 is an equidigital number, since it uses as much as digits as its factorization.

55100401423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 55100401423 its reverse (32410400155), we get a palindrome (87510801578).

The spelling of 55100401423 in words is "fifty-five billion, one hundred million, four hundred one thousand, four hundred twenty-three".