57729371 has 8 divisors (see below), whose sum is σ = 66397920. Its totient is φ = 49166208.

The previous prime is 57729367. The next prime is 57729377. The reversal of 57729371 is 17392775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57729371 - 2² = 57729367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57729377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25166 + ... + 27363.

It is an arithmetic number, because the mean of its divisors is an integer number (8299740).

Almost surely, 2^57729371 is an apocalyptic number.

57729371 is a deficient number, since it is larger than the sum of its proper divisors (8668549).

57729371 is a wasteful number, since it uses less digits than its factorization.

57729371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52693.

The product of its digits is 92610, while the sum is 41.

The square root of 57729371 is about 7597.9846670022. The cubic root of 57729371 is about 386.4846726605.

The spelling of 57729371 in words is "fifty-seven million, seven hundred twenty-nine thousand, three hundred seventy-one".