57201378 has 16 divisors (see below), whose sum is σ = 123203136. Its totient is φ = 17600400.

The previous prime is 57201349. The next prime is 57201383. The reversal of 57201378 is 87310275.

57201378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×57201378³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

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, 366598 + ... + 366753.

It is an arithmetic number, because the mean of its divisors is an integer number (7700196).

Almost surely, 2^57201378 is an apocalyptic number.

57201378 is an abundant number, since it is smaller than the sum of its proper divisors (66001758).

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

57201378 is a wasteful number, since it uses less digits than its factorization.

57201378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733369.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 57201378 is about 7563.1592605207. The cubic root of 57201378 is about 385.3027988387.

The spelling of 57201378 in words is "fifty-seven million, two hundred one thousand, three hundred seventy-eight".