57788923 has 2 divisors, whose sum is σ = 57788924. Its totient is φ = 57788922.

The previous prime is 57788869. The next prime is 57788953. The reversal of 57788923 is 32988775.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57788923 - 2¹⁷ = 57657851 is a prime.

It is not a weakly prime, because it can be changed into another prime (57788953) 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, 28894461 + 28894462.

It is an arithmetic number, because the mean of its divisors is an integer number (28894462).

Almost surely, 2^57788923 is an apocalyptic number.

57788923 is a deficient number, since it is larger than the sum of its proper divisors (1).

57788923 is an equidigital number, since it uses as much as digits as its factorization.

57788923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 49.

The square root of 57788923 is about 7601.9025907992. The cubic root of 57788923 is about 386.6175225724.

The spelling of 57788923 in words is "fifty-seven million, seven hundred eighty-eight thousand, nine hundred twenty-three".