56106053421 has 64 divisors (see below), whose sum is σ = 88066621440. Its totient is φ = 31417848000.

The previous prime is 56106053417. The next prime is 56106053431. The reversal of 56106053421 is 12435060165.

56106053421 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 56106053421 - 2² = 56106053417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56106053431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14844910 + ... + 14848688.

It is an arithmetic number, because the mean of its divisors is an integer number (1376040960).

Almost surely, 2^56106053421 is an apocalyptic number.

It is an amenable number.

56106053421 is a deficient number, since it is larger than the sum of its proper divisors (31960568019).

56106053421 is a wasteful number, since it uses less digits than its factorization.

56106053421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 56106053421 in words is "fifty-six billion, one hundred six million, fifty-three thousand, four hundred twenty-one".