56555075052 has 144 divisors (see below), whose sum is σ = 164600916480. Its totient is φ = 16038445824.

The previous prime is 56555075051. The next prime is 56555075069. The reversal of 56555075052 is 25057055565.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56555074989 and 56555075007.

It is not an unprimeable number, because it can be changed into a prime (56555075051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21077703 + ... + 21080385.

It is an arithmetic number, because the mean of its divisors is an integer number (1143061920).

Almost surely, 2^56555075052 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 56555075052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82300458240).

56555075052 is an abundant number, since it is smaller than the sum of its proper divisors (108045841428).

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

56555075052 is a wasteful number, since it uses less digits than its factorization.

56555075052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292 (or 3287 counting only the distinct ones).

The product of its (nonzero) digits is 1312500, while the sum is 45.

The spelling of 56555075052 in words is "fifty-six billion, five hundred fifty-five million, seventy-five thousand, fifty-two".