57050069 has 2 divisors, whose sum is σ = 57050070. Its totient is φ = 57050068.

The previous prime is 57050053. The next prime is 57050093. The reversal of 57050069 is 96005075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54982225 + 2067844 = 7415^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 57050069 - 2⁴ = 57050053 is a prime.

It is a super-2 number, since 2×57050069² = 6509420745809522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57050009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28525034 + 28525035.

It is an arithmetic number, because the mean of its divisors is an integer number (28525035).

Almost surely, 2^57050069 is an apocalyptic number.

It is an amenable number.

57050069 is a deficient number, since it is larger than the sum of its proper divisors (1).

57050069 is an equidigital number, since it uses as much as digits as its factorization.

57050069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 57050069 is about 7553.1496079450. The cubic root of 57050069 is about 384.9627647128.

The spelling of 57050069 in words is "fifty-seven million, fifty thousand, sixty-nine".