57472329 has 4 divisors (see below), whose sum is σ = 76629776. Its totient is φ = 38314884.

The previous prime is 57472307. The next prime is 57472351. The reversal of 57472329 is 92327475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (57472307) and next prime (57472351).

It is not a de Polignac number, because 57472329 - 2⁵ = 57472297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57472379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9578719 + ... + 9578724.

It is an arithmetic number, because the mean of its divisors is an integer number (19157444).

Almost surely, 2^57472329 is an apocalyptic number.

It is an amenable number.

57472329 is a deficient number, since it is larger than the sum of its proper divisors (19157447).

57472329 is a wasteful number, since it uses less digits than its factorization.

57472329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19157446.

The product of its digits is 105840, while the sum is 39.

The square root of 57472329 is about 7581.0506527789. The cubic root of 57472329 is about 385.9102071287.

The spelling of 57472329 in words is "fifty-seven million, four hundred seventy-two thousand, three hundred twenty-nine".