57801109 has 2 divisors, whose sum is σ = 57801110. Its totient is φ = 57801108.

The previous prime is 57801091. The next prime is 57801113. The reversal of 57801109 is 90110875.

Together with previous prime (57801091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43850884 + 13950225 = 6622^2 + 3735^2 .

It is a cyclic number.

It is not a de Polignac number, because 57801109 - 2⁵ = 57801077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57801209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28900554 + 28900555.

It is an arithmetic number, because the mean of its divisors is an integer number (28900555).

Almost surely, 2^57801109 is an apocalyptic number.

It is an amenable number.

57801109 is a deficient number, since it is larger than the sum of its proper divisors (1).

57801109 is an equidigital number, since it uses as much as digits as its factorization.

57801109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 57801109 is about 7602.7040584255. The cubic root of 57801109 is about 386.6446961192.

It can be divided in two parts, 5780 and 1109, that added together give a square (6889 = 83²).

The spelling of 57801109 in words is "fifty-seven million, eight hundred one thousand, one hundred nine".