55250893823 has 2 divisors, whose sum is σ = 55250893824. Its totient is φ = 55250893822.

The previous prime is 55250893759. The next prime is 55250893829. The reversal of 55250893823 is 32839805255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55250893823 - 2⁶ = 55250893759 is a prime.

It is a super-2 number, since 2×55250893823² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55250893829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625446911 + 27625446912.

It is an arithmetic number, because the mean of its divisors is an integer number (27625446912).

Almost surely, 2^55250893823 is an apocalyptic number.

55250893823 is a deficient number, since it is larger than the sum of its proper divisors (1).

55250893823 is an equidigital number, since it uses as much as digits as its factorization.

55250893823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 55250893823 in words is "fifty-five billion, two hundred fifty million, eight hundred ninety-three thousand, eight hundred twenty-three".