555725520900 has 567 divisors, whose sum is σ = 1995320502469. Its totient is φ = 134184600000.

The previous prime is 555725520863. The next prime is 555725520907. The reversal of 555725520900 is 9025527555.

It is a happy number.

The square root of 555725520900 is 745470.

It is a perfect power (a square), and thus also a powerful number.

555725520900 is a `hidden beast` number, since 5 + 5 + 5 + 7 + 2 + 552 + 0 + 90 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 200061187524 + 355664333376 = 447282^2 + 596376^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555725520907) by changing a digit.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 2214045775 + ... + 2214046025.

Almost surely, 2^555725520900 is an apocalyptic number.

555725520900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555725520900 is the 745470-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555725520900

555725520900 is an abundant number, since it is smaller than the sum of its proper divisors (1439594981569).

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

555725520900 is a wasteful number, since it uses less digits than its factorization.

555725520900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 45.

The spelling of 555725520900 in words is "five hundred fifty-five billion, seven hundred twenty-five million, five hundred twenty thousand, nine hundred".