56611441398 has 32 divisors (see below), whose sum is σ = 114292015200. Its totient is φ = 18692384256.

The previous prime is 56611441373. The next prime is 56611441433. The reversal of 56611441398 is 89314411665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3086238 + ... + 3104526.

It is an arithmetic number, because the mean of its divisors is an integer number (3571625475).

Almost surely, 2^56611441398 is an apocalyptic number.

56611441398 is an abundant number, since it is smaller than the sum of its proper divisors (57680573802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56611441398 is a wasteful number, since it uses less digits than its factorization.

56611441398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23136.

The product of its digits is 622080, while the sum is 48.

The spelling of 56611441398 in words is "fifty-six billion, six hundred eleven million, four hundred forty-one thousand, three hundred ninety-eight".