55266047 has 2 divisors, whose sum is σ = 55266048. Its totient is φ = 55266046.

The previous prime is 55266023. The next prime is 55266053. The reversal of 55266047 is 74066255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55266047 - 2²⁴ = 38488831 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55265998 and 55266016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55266007) 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 as a sum of consecutive naturals, namely, 27633023 + 27633024.

It is an arithmetic number, because the mean of its divisors is an integer number (27633024).

Almost surely, 2^55266047 is an apocalyptic number.

55266047 is a deficient number, since it is larger than the sum of its proper divisors (1).

55266047 is an equidigital number, since it uses as much as digits as its factorization.

55266047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 55266047 is about 7434.1137333242. The cubic root of 55266047 is about 380.9074503724.

The spelling of 55266047 in words is "fifty-five million, two hundred sixty-six thousand, forty-seven".