5578807802500 has 135 divisors (see below), whose sum is σ = 12352167676233. Its totient is φ = 2203982784000.

The previous prime is 5578807802483. The next prime is 5578807802507. The reversal of 5578807802500 is 52087088755.

The square root of 5578807802500 is 2361950.

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

It can be written as a sum of positive squares in 7 ways, for example, as 4520905042564 + 1057902759936 = 2126242^2 + 1028544^2 .

It is a super-2 number, since 2×5578807802500² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5578807802507) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 11455457257 + ... + 11455457743.

Almost surely, 2^{5578807802500} is an apocalyptic number.

5578807802500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5578807802500 is the 2361950-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5578807802500

5578807802500 is an abundant number, since it is smaller than the sum of its proper divisors (6773359873733).

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

5578807802500 is an frugal number, since it uses more digits than its factorization.

5578807802500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 55.

The spelling of 5578807802500 in words is "five trillion, five hundred seventy-eight billion, eight hundred seven million, eight hundred two thousand, five hundred".