56611441407 has 16 divisors (see below), whose sum is σ = 77510288768. Its totient is φ = 36732981600.

The previous prime is 56611441373. The next prime is 56611441433. The reversal of 56611441407 is 70414411665.

It is not a de Polignac number, because 56611441407 - 2¹⁰ = 56611440383 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 (56611441457) 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, 738844 + ... + 811857.

It is an arithmetic number, because the mean of its divisors is an integer number (4844393048).

Almost surely, 2^56611441407 is an apocalyptic number.

56611441407 is a deficient number, since it is larger than the sum of its proper divisors (20898847361).

56611441407 is a wasteful number, since it uses less digits than its factorization.

56611441407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551030.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 56611441407 in words is "fifty-six billion, six hundred eleven million, four hundred forty-one thousand, four hundred seven".