56106055261 has 4 divisors (see below), whose sum is σ = 58545448992. Its totient is φ = 53666661532.

The previous prime is 56106055241. The next prime is 56106055273. The reversal of 56106055261 is 16255060165.

56106055261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56106055261 - 2¹⁹ = 56105530973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56106055261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56106055241) 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, 1219696831 + ... + 1219696876.

It is an arithmetic number, because the mean of its divisors is an integer number (14636362248).

Almost surely, 2^56106055261 is an apocalyptic number.

It is an amenable number.

56106055261 is a deficient number, since it is larger than the sum of its proper divisors (2439393731).

56106055261 is a wasteful number, since it uses less digits than its factorization.

56106055261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439393730.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 56106055261 in words is "fifty-six billion, one hundred six million, fifty-five thousand, two hundred sixty-one".