57230071 has 4 divisors (see below), whose sum is σ = 60242200. Its totient is φ = 54217944.

The previous prime is 57230039. The next prime is 57230087. The reversal of 57230071 is 17003275.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57230071 - 2⁵ = 57230039 is a prime.

It is a super-3 number, since 3×57230071³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57230171) 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, 1506036 + ... + 1506073.

It is an arithmetic number, because the mean of its divisors is an integer number (15060550).

Almost surely, 2^57230071 is an apocalyptic number.

57230071 is a deficient number, since it is larger than the sum of its proper divisors (3012129).

57230071 is a wasteful number, since it uses less digits than its factorization.

57230071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012128.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 57230071 is about 7565.0559151932. The cubic root of 57230071 is about 385.3672124687.

The spelling of 57230071 in words is "fifty-seven million, two hundred thirty thousand, seventy-one".