57198797 has 4 divisors (see below), whose sum is σ = 60209280. Its totient is φ = 54188316.

The previous prime is 57198793. The next prime is 57198821. The reversal of 57198797 is 79789175.

57198797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57198797 - 2² = 57198793 is a prime.

It is a super-3 number, since 3×57198797³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57198793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505213 + ... + 1505250.

It is an arithmetic number, because the mean of its divisors is an integer number (15052320).

Almost surely, 2^57198797 is an apocalyptic number.

It is an amenable number.

57198797 is a deficient number, since it is larger than the sum of its proper divisors (3010483).

57198797 is a wasteful number, since it uses less digits than its factorization.

57198797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010482.

The product of its digits is 1111320, while the sum is 53.

The square root of 57198797 is about 7562.9886288424. The cubic root of 57198797 is about 385.2970036317.

The spelling of 57198797 in words is "fifty-seven million, one hundred ninety-eight thousand, seven hundred ninety-seven".