57078971 has 8 divisors (see below), whose sum is σ = 57976800. Its totient is φ = 56187648.

The previous prime is 57078961. The next prime is 57078997. The reversal of 57078971 is 17987075.

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

It is a cyclic number.

It is not a de Polignac number, because 57078971 - 2¹⁰ = 57077947 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57078941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17825 + ... + 20781.

It is an arithmetic number, because the mean of its divisors is an integer number (7247100).

Almost surely, 2^57078971 is an apocalyptic number.

57078971 is a deficient number, since it is larger than the sum of its proper divisors (897829).

57078971 is a wasteful number, since it uses less digits than its factorization.

57078971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253.

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 57078971 is about 7555.0626072853. The cubic root of 57078971 is about 385.0277620954.

The spelling of 57078971 in words is "fifty-seven million, seventy-eight thousand, nine hundred seventy-one".