54942619 has 2 divisors, whose sum is σ = 54942620. Its totient is φ = 54942618.

The previous prime is 54942599. The next prime is 54942677. The reversal of 54942619 is 91624945.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54942619 is a prime.

It is a super-2 number, since 2×54942619² = 6037382765158322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54942689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27471309 + 27471310.

It is an arithmetic number, because the mean of its divisors is an integer number (27471310).

Almost surely, 2^54942619 is an apocalyptic number.

54942619 is a deficient number, since it is larger than the sum of its proper divisors (1).

54942619 is an equidigital number, since it uses as much as digits as its factorization.

54942619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 54942619 is about 7412.3288513125. The cubic root of 54942619 is about 380.1629471991.

The spelling of 54942619 in words is "fifty-four million, nine hundred forty-two thousand, six hundred nineteen".