5057642 has 4 divisors (see below), whose sum is σ = 7586466. Its totient is φ = 2528820.

The previous prime is 5057639. The next prime is 5057651. The reversal of 5057642 is 2467505.

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

It can be written as a sum of positive squares in only one way, i.e., 5013121 + 44521 = 2239^2 + 211^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264409 + ... + 1264412.

Almost surely, 2^5057642 is an apocalyptic number.

5057642 is a deficient number, since it is larger than the sum of its proper divisors (2528824).

5057642 is a wasteful number, since it uses less digits than its factorization.

5057642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528823.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 5057642 is about 2248.9201853334. The cubic root of 5057642 is about 171.6521951333.

The spelling of 5057642 in words is "five million, fifty-seven thousand, six hundred forty-two".