57381698 has 16 divisors (see below), whose sum is σ = 99421344. Its totient is φ = 24548160.

The previous prime is 57381671. The next prime is 57381707. The reversal of 57381698 is 89618375.

It is a happy number.

57381698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 14.

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, 76340 + ... + 77087.

It is an arithmetic number, because the mean of its divisors is an integer number (6213834).

Almost surely, 2^57381698 is an apocalyptic number.

57381698 is a deficient number, since it is larger than the sum of its proper divisors (42039646).

57381698 is a wasteful number, since it uses less digits than its factorization.

57381698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153457.

The product of its digits is 362880, while the sum is 47.

The square root of 57381698 is about 7575.0708247514. The cubic root of 57381698 is about 385.7072466806.

The spelling of 57381698 in words is "fifty-seven million, three hundred eighty-one thousand, six hundred ninety-eight".