55469423 has 2 divisors, whose sum is σ = 55469424. Its totient is φ = 55469422.

The previous prime is 55469387. The next prime is 55469437. The reversal of 55469423 is 32496455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55469423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55469443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27734711 + 27734712.

It is an arithmetic number, because the mean of its divisors is an integer number (27734712).

Almost surely, 2^55469423 is an apocalyptic number.

55469423 is a deficient number, since it is larger than the sum of its proper divisors (1).

55469423 is an equidigital number, since it uses as much as digits as its factorization.

55469423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 55469423 is about 7447.7797362704. The cubic root of 55469423 is about 381.3741178613.

The spelling of 55469423 in words is "fifty-five million, four hundred sixty-nine thousand, four hundred twenty-three".