57770497 has 4 divisors (see below), whose sum is σ = 58070020. Its totient is φ = 57470976.

The previous prime is 57770491. The next prime is 57770501. The reversal of 57770497 is 79407775.

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 38489616 + 19280881 = 6204^2 + 4391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57770497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57770491) 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, 149472 + ... + 149857.

It is an arithmetic number, because the mean of its divisors is an integer number (14517505).

Almost surely, 2^57770497 is an apocalyptic number.

It is an amenable number.

57770497 is a deficient number, since it is larger than the sum of its proper divisors (299523).

57770497 is a wasteful number, since it uses less digits than its factorization.

57770497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299522.

The product of its (nonzero) digits is 432180, while the sum is 46.

The square root of 57770497 is about 7600.6905607320. The cubic root of 57770497 is about 386.5764272011.

The spelling of 57770497 in words is "fifty-seven million, seven hundred seventy thousand, four hundred ninety-seven".