57307042 has 8 divisors (see below), whose sum is σ = 92572956. Its totient is φ = 26449392.

The previous prime is 57307031. The next prime is 57307073. The reversal of 57307042 is 24070375.

It can be written as a sum of positive squares in 2 ways, for example, as 45549001 + 11758041 = 6749^2 + 3429^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 57307042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102033 + ... + 1102084.

Almost surely, 2^57307042 is an apocalyptic number.

57307042 is a deficient number, since it is larger than the sum of its proper divisors (35265914).

57307042 is a wasteful number, since it uses less digits than its factorization.

57307042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204132.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 57307042 is about 7570.1414782024. The cubic root of 57307042 is about 385.5399003069.

The spelling of 57307042 in words is "fifty-seven million, three hundred seven thousand, forty-two".