55174523 has 2 divisors, whose sum is σ = 55174524. Its totient is φ = 55174522.

The previous prime is 55174519. The next prime is 55174531. The reversal of 55174523 is 32547155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55174523 - 2² = 55174519 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55174523.

It is not a weakly prime, because it can be changed into another prime (55174543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27587261 + 27587262.

It is an arithmetic number, because the mean of its divisors is an integer number (27587262).

Almost surely, 2^55174523 is an apocalyptic number.

55174523 is a deficient number, since it is larger than the sum of its proper divisors (1).

55174523 is an equidigital number, since it uses as much as digits as its factorization.

55174523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 32.

The square root of 55174523 is about 7427.9555060595. The cubic root of 55174523 is about 380.6970654088.

The spelling of 55174523 in words is "fifty-five million, one hundred seventy-four thousand, five hundred twenty-three".