555055056 has 120 divisors (see below), whose sum is σ = 1679639520. Its totient is φ = 170512128.

The previous prime is 555055013. The next prime is 555055057. The reversal of 555055056 is 650550555.

555055056 is a `hidden beast` number, since 5 + 5 + 50 + 550 + 56 = 666.

It is a super-2 number, since 2×555055056² = 616172230382326272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 555055056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555055057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98491 + ... + 103973.

It is an arithmetic number, because the mean of its divisors is an integer number (13996996).

Almost surely, 2^555055056 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 555055056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839819760).

555055056 is an abundant number, since it is smaller than the sum of its proper divisors (1124584464).

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

555055056 is a wasteful number, since it uses less digits than its factorization.

555055056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553 (or 5544 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 555055056 is about 23559.6064483259. The cubic root of 555055056 is about 821.8237496627.

It can be divided in two parts, 5550 and 55056, that added together give a palindrome (60606).

The spelling of 555055056 in words is "five hundred fifty-five million, fifty-five thousand, fifty-six".