57329340 has 48 divisors (see below), whose sum is σ = 167505408. Its totient is φ = 14622784.

The previous prime is 57329303. The next prime is 57329341. The reversal of 57329340 is 4392375.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57329341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19392 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (3489696).

Almost surely, 2^57329340 is an apocalyptic number.

It is an amenable number.

57329340 is an abundant number, since it is smaller than the sum of its proper divisors (110176068).

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

57329340 is a wasteful number, since it uses less digits than its factorization.

57329340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41578 (or 41576 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 57329340 is about 7571.6140947621. The cubic root of 57329340 is about 385.5898979666.

The spelling of 57329340 in words is "fifty-seven million, three hundred twenty-nine thousand, three hundred forty".