57142627 has 4 divisors (see below), whose sum is σ = 60503976. Its totient is φ = 53781280.

The previous prime is 57142619. The next prime is 57142637. The reversal of 57142627 is 72624175.

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

It is a cyclic number.

It is not a de Polignac number, because 57142627 - 2³ = 57142619 is a prime.

It is a super-2 number, since 2×57142627² = 6530559640922258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57142592 and 57142601.

It is not an unprimeable number, because it can be changed into a prime (57142637) 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 3 ways as a sum of consecutive naturals, for example, 1680649 + ... + 1680682.

It is an arithmetic number, because the mean of its divisors is an integer number (15125994).

Almost surely, 2^57142627 is an apocalyptic number.

57142627 is a deficient number, since it is larger than the sum of its proper divisors (3361349).

57142627 is a wasteful number, since it uses less digits than its factorization.

57142627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361348.

The product of its digits is 23520, while the sum is 34.

The square root of 57142627 is about 7559.2742376501. The cubic root of 57142627 is about 385.1708400176.

The spelling of 57142627 in words is "fifty-seven million, one hundred forty-two thousand, six hundred twenty-seven".