55047023 has 2 divisors, whose sum is σ = 55047024. Its totient is φ = 55047022.

The previous prime is 55046977. The next prime is 55047049. The reversal of 55047023 is 32074055.

It is an a-pointer prime, because the next prime (55047049) can be obtained adding 55047023 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55047023 - 2²² = 50852719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55046983 and 55047001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55041023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27523511 + 27523512.

It is an arithmetic number, because the mean of its divisors is an integer number (27523512).

Almost surely, 2^55047023 is an apocalyptic number.

55047023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55047023 is an equidigital number, since it uses as much as digits as its factorization.

55047023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 55047023 is about 7419.3680997778. The cubic root of 55047023 is about 380.4035947394.

The spelling of 55047023 in words is "fifty-five million, forty-seven thousand, twenty-three".