56457111 has 8 divisors (see below), whose sum is σ = 78549120. Its totient is φ = 36001592.

The previous prime is 56457109. The next prime is 56457127. The reversal of 56457111 is 11175465.

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 56457111 - 2¹ = 56457109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56457101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409041 + ... + 409178.

It is an arithmetic number, because the mean of its divisors is an integer number (9818640).

Almost surely, 2^56457111 is an apocalyptic number.

56457111 is a deficient number, since it is larger than the sum of its proper divisors (22092009).

56457111 is a wasteful number, since it uses less digits than its factorization.

56457111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818245.

The product of its digits is 4200, while the sum is 30.

The square root of 56457111 is about 7513.7947137249. The cubic root of 56457111 is about 383.6243953680.

It can be divided in two parts, 564 and 57111, that added together give a palindrome (57675).

The spelling of 56457111 in words is "fifty-six million, four hundred fifty-seven thousand, one hundred eleven".