56674861 has 8 divisors (see below), whose sum is σ = 59306904. Its totient is φ = 54100800.

The previous prime is 56674847. The next prime is 56674867. The reversal of 56674861 is 16847665.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45981961 + 10692900 = 6781^2 + 3270^2 .

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 56674861 - 2¹⁵ = 56642093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56674867) 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, 12490 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (7413363).

Almost surely, 2^56674861 is an apocalyptic number.

It is an amenable number.

56674861 is a deficient number, since it is larger than the sum of its proper divisors (2632043).

56674861 is a wasteful number, since it uses less digits than its factorization.

56674861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28991.

The product of its digits is 241920, while the sum is 43.

The square root of 56674861 is about 7528.2707841841. The cubic root of 56674861 is about 384.1169642431.

The spelling of 56674861 in words is "fifty-six million, six hundred seventy-four thousand, eight hundred sixty-one".