57422797 has 4 divisors (see below), whose sum is σ = 58506300. Its totient is φ = 56339296.

The previous prime is 57422737. The next prime is 57422851. The reversal of 57422797 is 79722475.

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 51753636 + 5669161 = 7194^2 + 2381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57422797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57422737) 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, 541672 + ... + 541777.

It is an arithmetic number, because the mean of its divisors is an integer number (14626575).

Almost surely, 2^57422797 is an apocalyptic number.

It is an amenable number.

57422797 is a deficient number, since it is larger than the sum of its proper divisors (1083503).

57422797 is a wasteful number, since it uses less digits than its factorization.

57422797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083502.

The product of its digits is 246960, while the sum is 43.

The square root of 57422797 is about 7577.7831190923. The cubic root of 57422797 is about 385.7993108726.

The spelling of 57422797 in words is "fifty-seven million, four hundred twenty-two thousand, seven hundred ninety-seven".