57200394 has 16 divisors (see below), whose sum is σ = 118091520. Its totient is φ = 18451680.

The previous prime is 57200387. The next prime is 57200399. The reversal of 57200394 is 49300275.

57200394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57200399) 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 7 ways as a sum of consecutive naturals, for example, 153579 + ... + 153950.

It is an arithmetic number, because the mean of its divisors is an integer number (7380720).

Almost surely, 2^57200394 is an apocalyptic number.

57200394 is an abundant number, since it is smaller than the sum of its proper divisors (60891126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57200394 is a wasteful number, since it uses less digits than its factorization.

57200394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307565.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 57200394 is about 7563.0942080606. The cubic root of 57200394 is about 385.3005894506.

The spelling of 57200394 in words is "fifty-seven million, two hundred thousand, three hundred ninety-four".