57232993 has 4 divisors (see below), whose sum is σ = 59721408. Its totient is φ = 54744580.

The previous prime is 57232961. The next prime is 57233003. The reversal of 57232993 is 39923275.

It is a happy number.

57232993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 3089-th star number.

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 a cyclic number.

It is not a de Polignac number, because 57232993 - 2⁵ = 57232961 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57232933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1244173 + ... + 1244218.

It is an arithmetic number, because the mean of its divisors is an integer number (14930352).

Almost surely, 2^57232993 is an apocalyptic number.

It is an amenable number.

57232993 is a deficient number, since it is larger than the sum of its proper divisors (2488415).

57232993 is a wasteful number, since it uses less digits than its factorization.

57232993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488414.

The product of its digits is 102060, while the sum is 40.

The square root of 57232993 is about 7565.2490375400. The cubic root of 57232993 is about 385.3737709312.

The spelling of 57232993 in words is "fifty-seven million, two hundred thirty-two thousand, nine hundred ninety-three".