57201830 has 16 divisors (see below), whose sum is σ = 117672480. Its totient is φ = 19612032.

The previous prime is 57201827. The next prime is 57201839. The reversal of 57201830 is 3810275.

57201830 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 a self number, because there is not a number n which added to its sum of digits gives 57201830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57201839) 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, 408515 + ... + 408654.

It is an arithmetic number, because the mean of its divisors is an integer number (7354530).

Almost surely, 2^57201830 is an apocalyptic number.

57201830 is an abundant number, since it is smaller than the sum of its proper divisors (60470650).

57201830 is a wasteful number, since it uses less digits than its factorization.

57201830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817183.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 57201830 is about 7563.1891421543. The cubic root of 57201830 is about 385.3038137117.

It can be divided in two parts, 5720 and 1830, that multiplied together give a triangular number (10467600 = T₄₅₇₅).

The spelling of 57201830 in words is "fifty-seven million, two hundred one thousand, eight hundred thirty".