55457323 has 2 divisors, whose sum is σ = 55457324. Its totient is φ = 55457322.

The previous prime is 55457299. The next prime is 55457329. The reversal of 55457323 is 32375455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55457323 - 2⁵ = 55457291 is a prime.

It is not a weakly prime, because it can be changed into another prime (55457329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27728661 + 27728662.

It is an arithmetic number, because the mean of its divisors is an integer number (27728662).

Almost surely, 2^55457323 is an apocalyptic number.

55457323 is a deficient number, since it is larger than the sum of its proper divisors (1).

55457323 is an equidigital number, since it uses as much as digits as its factorization.

55457323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 34.

The square root of 55457323 is about 7446.9673693390. The cubic root of 55457323 is about 381.3463850903.

The spelling of 55457323 in words is "fifty-five million, four hundred fifty-seven thousand, three hundred twenty-three".