5756215 has 4 divisors (see below), whose sum is σ = 6907464. Its totient is φ = 4604968.

The previous prime is 5756213. The next prime is 5756227. The reversal of 5756215 is 5126575.

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 5756215 - 2¹ = 5756213 is a prime.

It is a super-2 number, since 2×5756215² = 66268022252450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

5756215 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5756213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575617 + ... + 575626.

It is an arithmetic number, because the mean of its divisors is an integer number (1726866).

Almost surely, 2^5756215 is an apocalyptic number.

5756215 is a deficient number, since it is larger than the sum of its proper divisors (1151249).

5756215 is a wasteful number, since it uses less digits than its factorization.

5756215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151248.

The product of its digits is 10500, while the sum is 31.

The square root of 5756215 is about 2399.2113287495. The cubic root of 5756215 is about 179.2169170991.

The spelling of 5756215 in words is "five million, seven hundred fifty-six thousand, two hundred fifteen".