56042786 has 8 divisors (see below), whose sum is σ = 84835740. Its totient is φ = 27764208.

The previous prime is 56042771. The next prime is 56042797. The reversal of 56042786 is 68724065.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53217025 + 2825761 = 7295^2 + 1681^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128321 + ... + 128756.

Almost surely, 2^56042786 is an apocalyptic number.

56042786 is a deficient number, since it is larger than the sum of its proper divisors (28792954).

56042786 is a wasteful number, since it uses less digits than its factorization.

56042786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257188.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 56042786 is about 7486.1729875818. The cubic root of 56042786 is about 382.6836482662.

The spelling of 56042786 in words is "fifty-six million, forty-two thousand, seven hundred eighty-six".