57997069 has 4 divisors (see below), whose sum is σ = 62458396. Its totient is φ = 53535744.

The previous prime is 57997061. The next prime is 57997073. The reversal of 57997069 is 96079975.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19096900 + 38900169 = 4370^2 + 6237^2 .

It is a cyclic number.

It is not a de Polignac number, because 57997069 - 2³ = 57997061 is a prime.

It is a super-2 number, since 2×57997069² = 6727320025181522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57997061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230644 + ... + 2230669.

It is an arithmetic number, because the mean of its divisors is an integer number (15614599).

Almost surely, 2^57997069 is an apocalyptic number.

It is an amenable number.

57997069 is a deficient number, since it is larger than the sum of its proper divisors (4461327).

57997069 is a wasteful number, since it uses less digits than its factorization.

57997069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461326.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 57997069 is about 7615.5806738554. The cubic root of 57997069 is about 387.0811435280.

The spelling of 57997069 in words is "fifty-seven million, nine hundred ninety-seven thousand, sixty-nine".