57216799 has 2 divisors, whose sum is σ = 57216800. Its totient is φ = 57216798.

The previous prime is 57216787. The next prime is 57216811. The reversal of 57216799 is 99761275.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (57216787) and next prime (57216811).

It is a cyclic number.

It is not a de Polignac number, because 57216799 - 2¹³ = 57208607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57216779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28608399 + 28608400.

It is an arithmetic number, because the mean of its divisors is an integer number (28608400).

Almost surely, 2^57216799 is an apocalyptic number.

57216799 is a deficient number, since it is larger than the sum of its proper divisors (1).

57216799 is an equidigital number, since it uses as much as digits as its factorization.

57216799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 46.

The square root of 57216799 is about 7564.1786731938. The cubic root of 57216799 is about 385.3374205022.

It can be divided in two parts, 572 and 16799, that added together give a palindrome (17371).

The spelling of 57216799 in words is "fifty-seven million, two hundred sixteen thousand, seven hundred ninety-nine".