5247575550 has 192 divisors, whose sum is σ = 16577510400. Its totient is φ = 1195689600.

The previous prime is 5247575539. The next prime is 5247575639. The reversal of 5247575550 is 555757425.

5247575550 is a `hidden beast` number, since 5 + 2 + 47 + 57 + 5 + 550 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5247575496 and 5247575505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3977791 + ... + 3979109.

It is an arithmetic number, because the mean of its divisors is an integer number (86341200).

Almost surely, 2^5247575550 is an apocalyptic number.

5247575550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5247575550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8288755200).

5247575550 is an abundant number, since it is smaller than the sum of its proper divisors (11329934850).

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

5247575550 is a wasteful number, since it uses less digits than its factorization.

5247575550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 1225000, while the sum is 45.

The square root of 5247575550 is about 72440.1515045351. The cubic root of 5247575550 is about 1737.7457430655.

The spelling of 5247575550 in words is "five billion, two hundred forty-seven million, five hundred seventy-five thousand, five hundred fifty".