56477684 has 6 divisors (see below), whose sum is σ = 98835954. Its totient is φ = 28238840.

The previous prime is 56477683. The next prime is 56477693. The reversal of 56477684 is 48677465.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30691600 + 25786084 = 5540^2 + 5078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56477683) 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 as a sum of consecutive naturals, namely, 7059707 + ... + 7059714.

It is an arithmetic number, because the mean of its divisors is an integer number (16472659).

Almost surely, 2^56477684 is an apocalyptic number.

It is an amenable number.

56477684 is a deficient number, since it is larger than the sum of its proper divisors (42358270).

56477684 is a wasteful number, since it uses less digits than its factorization.

56477684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14119425 (or 14119423 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The square root of 56477684 is about 7515.1636043402. The cubic root of 56477684 is about 383.6709873508.

It can be divided in two parts, 5647 and 7684, that added together give a palindrome (13331).

The spelling of 56477684 in words is "fifty-six million, four hundred seventy-seven thousand, six hundred eighty-four".