56544616011 has 32 divisors (see below), whose sum is σ = 86239798848. Its totient is φ = 32646389760.

The previous prime is 56544616003. The next prime is 56544616043. The reversal of 56544616011 is 11061644565.

It is a happy number.

56544616011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56544616011 - 2³ = 56544616003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (56544616081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75651 + ... + 344691.

It is an arithmetic number, because the mean of its divisors is an integer number (2694993714).

Almost surely, 2^56544616011 is an apocalyptic number.

56544616011 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56544616011 is a deficient number, since it is larger than the sum of its proper divisors (29695182837).

56544616011 is a wasteful number, since it uses less digits than its factorization.

56544616011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269391.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 56544616011 in words is "fifty-six billion, five hundred forty-four million, six hundred sixteen thousand, eleven".