57061071 has 8 divisors (see below), whose sum is σ = 84534960. Its totient is φ = 38040696.

The previous prime is 57061063. The next prime is 57061079. The reversal of 57061071 is 17016075.

It is an interprime number because it is at equal distance from previous prime (57061063) and next prime (57061079).

It is not a de Polignac number, because 57061071 - 2³ = 57061063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2113373 = 57061071 / (5 + 7 + 0 + 6 + 1 + 0 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57061079) 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, 1056660 + ... + 1056713.

It is an arithmetic number, because the mean of its divisors is an integer number (10566870).

Almost surely, 2^57061071 is an apocalyptic number.

57061071 is a deficient number, since it is larger than the sum of its proper divisors (27473889).

57061071 is a wasteful number, since it uses less digits than its factorization.

57061071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113382 (or 2113376 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 57061071 is about 7553.8778782821. The cubic root of 57061071 is about 384.9875095740.

The spelling of 57061071 in words is "fifty-seven million, sixty-one thousand, seventy-one".