55100923 has 2 divisors, whose sum is σ = 55100924. Its totient is φ = 55100922.

The previous prime is 55100897. The next prime is 55100933. The reversal of 55100923 is 32900155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55100923 - 2⁵ = 55100891 is a prime.

It is a super-2 number, since 2×55100923² = 6072223430903858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55100933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550461 + 27550462.

It is an arithmetic number, because the mean of its divisors is an integer number (27550462).

Almost surely, 2^55100923 is an apocalyptic number.

55100923 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100923 is an equidigital number, since it uses as much as digits as its factorization.

55100923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 55100923 is about 7422.9995958507. Note that the first 3 decimals coincide. The cubic root of 55100923 is about 380.5277132603.

The spelling of 55100923 in words is "fifty-five million, one hundred thousand, nine hundred twenty-three".