56054421020 has 96 divisors (see below), whose sum is σ = 132384163968. Its totient is φ = 19781701632.

The previous prime is 56054420921. The next prime is 56054421023. The reversal of 56054421020 is 2012445065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56054421023) 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, 9906032 + ... + 9911688.

It is an arithmetic number, because the mean of its divisors is an integer number (1379001708).

Almost surely, 2^56054421020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56054421020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66192081984).

56054421020 is an abundant number, since it is smaller than the sum of its proper divisors (76329742948).

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

56054421020 is a wasteful number, since it uses less digits than its factorization.

56054421020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7359 (or 7357 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 56054421020 its reverse (2012445065), we get a palindrome (58066866085).

The spelling of 56054421020 in words is "fifty-six billion, fifty-four million, four hundred twenty-one thousand, twenty".