54857923 has 2 divisors, whose sum is σ = 54857924. Its totient is φ = 54857922.

The previous prime is 54857917. The next prime is 54857969. The reversal of 54857923 is 32975845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54857923 - 2¹⁷ = 54726851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54857923.

It is not a weakly prime, because it can be changed into another prime (54857423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27428961 + 27428962.

It is an arithmetic number, because the mean of its divisors is an integer number (27428962).

Almost surely, 2^54857923 is an apocalyptic number.

54857923 is a deficient number, since it is larger than the sum of its proper divisors (1).

54857923 is an equidigital number, since it uses as much as digits as its factorization.

54857923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The square root of 54857923 is about 7406.6134636553. The cubic root of 54857923 is about 379.9675018376.

The spelling of 54857923 in words is "fifty-four million, eight hundred fifty-seven thousand, nine hundred twenty-three".