56749 has 12 divisors (see below), whose sum is σ = 72352. Its totient is φ = 43560.

The previous prime is 56747. The next prime is 56767. The reversal of 56749 is 94765.

It is not a de Polignac number, because 56749 - 2¹ = 56747 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 6⁶ + 7³ + 4³ + 9⁴ .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56747) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 814 + ... + 880.

2⁵⁶⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

56749 is a deficient number, since it is larger than the sum of its proper divisors (15603).

56749 is a wasteful number, since it uses less digits than its factorization.

56749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 85 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 56749 is about 238.2204861048. The cubic root of 56749 is about 38.4284384967.

It can be divided in two parts, 567 and 49, that added together give a palindrome (616).

The spelling of 56749 in words is "fifty-six thousand, seven hundred forty-nine".