56785854061 has 4 divisors (see below), whose sum is σ = 56790826272. Its totient is φ = 56780881852.

The previous prime is 56785853987. The next prime is 56785854091. The reversal of 56785854061 is 16045858765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56785854061 - 2¹⁷ = 56785722989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56785853993 and 56785854011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56785854091) 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, 2468935 + ... + 2491828.

It is an arithmetic number, because the mean of its divisors is an integer number (14197706568).

Almost surely, 2^56785854061 is an apocalyptic number.

It is an amenable number.

56785854061 is a deficient number, since it is larger than the sum of its proper divisors (4972211).

56785854061 is a wasteful number, since it uses less digits than its factorization.

56785854061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972210.

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 56785854061 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred fifty-four thousand, sixty-one".