57198254 has 4 divisors (see below), whose sum is σ = 85797384. Its totient is φ = 28599126.

The previous prime is 57198247. The next prime is 57198259. The reversal of 57198254 is 45289175.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57198259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14299562 + ... + 14299565.

It is an arithmetic number, because the mean of its divisors is an integer number (21449346).

Almost surely, 2^57198254 is an apocalyptic number.

57198254 is a deficient number, since it is larger than the sum of its proper divisors (28599130).

57198254 is a wasteful number, since it uses less digits than its factorization.

57198254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28599129.

The product of its digits is 100800, while the sum is 41.

The square root of 57198254 is about 7562.9527302503. The cubic root of 57198254 is about 385.2957843931.

The spelling of 57198254 in words is "fifty-seven million, one hundred ninety-eight thousand, two hundred fifty-four".