56289641 has 4 divisors (see below), whose sum is σ = 57212484. Its totient is φ = 55366800.

The previous prime is 56289619. The next prime is 56289659. The reversal of 56289641 is 14698265.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9024016 + 47265625 = 3004^2 + 6875^2 .

It is a cyclic number.

It is not a de Polignac number, because 56289641 - 2⁶ = 56289577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56289661) 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, 461330 + ... + 461451.

It is an arithmetic number, because the mean of its divisors is an integer number (14303121).

Almost surely, 2^56289641 is an apocalyptic number.

It is an amenable number.

56289641 is a deficient number, since it is larger than the sum of its proper divisors (922843).

56289641 is an equidigital number, since it uses as much as digits as its factorization.

56289641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922842.

The product of its digits is 103680, while the sum is 41.

The square root of 56289641 is about 7502.6422678947. The cubic root of 56289641 is about 383.2447017941.

The spelling of 56289641 in words is "fifty-six million, two hundred eighty-nine thousand, six hundred forty-one".