56126861 has 8 divisors (see below), whose sum is σ = 66357120. Its totient is φ = 46449648.

The previous prime is 56126821. The next prime is 56126869. The reversal of 56126861 is 16862165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-56126861 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 (56126869) 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, 138041 + ... + 138446.

It is an arithmetic number, because the mean of its divisors is an integer number (8294640).

Almost surely, 2^56126861 is an apocalyptic number.

It is an amenable number.

56126861 is a deficient number, since it is larger than the sum of its proper divisors (10230259).

56126861 is a wasteful number, since it uses less digits than its factorization.

56126861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276523.

The product of its digits is 17280, while the sum is 35.

The square root of 56126861 is about 7491.7862356050. The cubic root of 56126861 is about 382.8749191046.

The spelling of 56126861 in words is "fifty-six million, one hundred twenty-six thousand, eight hundred sixty-one".