55716319 has 2 divisors, whose sum is σ = 55716320. Its totient is φ = 55716318.

The previous prime is 55716313. The next prime is 55716371. The reversal of 55716319 is 91361755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55716319 - 2¹³ = 55708127 is a prime.

It is a super-2 number, since 2×55716319² = 6208616405819522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55716313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27858159 + 27858160.

It is an arithmetic number, because the mean of its divisors is an integer number (27858160).

Almost surely, 2^55716319 is an apocalyptic number.

55716319 is a deficient number, since it is larger than the sum of its proper divisors (1).

55716319 is an equidigital number, since it uses as much as digits as its factorization.

55716319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 37.

The square root of 55716319 is about 7464.3364741951. The cubic root of 55716319 is about 381.9391161431.

The spelling of 55716319 in words is "fifty-five million, seven hundred sixteen thousand, three hundred nineteen".