56755406055 has 16 divisors (see below), whose sum is σ = 90920640384. Its totient is φ = 30232219680.

The previous prime is 56755406051. The next prime is 56755406087. The reversal of 56755406055 is 55060455765.

It is a happy number.

It is not a de Polignac number, because 56755406055 - 2² = 56755406051 is a prime.

It is a super-2 number, since 2×56755406055² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56755405995 and 56755406013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56755406051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320569 + ... + 2344898.

It is an arithmetic number, because the mean of its divisors is an integer number (5682540024).

Almost surely, 2^56755406055 is an apocalyptic number.

56755406055 is a deficient number, since it is larger than the sum of its proper divisors (34165234329).

56755406055 is a wasteful number, since it uses less digits than its factorization.

56755406055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666286.

The product of its (nonzero) digits is 3150000, while the sum is 48.

The spelling of 56755406055 in words is "fifty-six billion, seven hundred fifty-five million, four hundred six thousand, fifty-five".