5577287550 has 144 divisors (see below), whose sum is σ = 14731057152. Its totient is φ = 1396180800.

The previous prime is 5577287543. The next prime is 5577287567. The reversal of 5577287550 is 557827755.

It is a super-2 number, since 2×5577287550² = 62212272830770005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5577287493 and 5577287502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6876645 + ... + 6877455.

It is an arithmetic number, because the mean of its divisors is an integer number (102299008).

Almost surely, 2^5577287550 is an apocalyptic number.

5577287550 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 5577287550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7365528576).

5577287550 is an abundant number, since it is smaller than the sum of its proper divisors (9153769602).

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

5577287550 is a wasteful number, since it uses less digits than its factorization.

5577287550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 3430000, while the sum is 51.

The square root of 5577287550 is about 74681.2396121007. The cubic root of 5577287550 is about 1773.4039796119.

The spelling of 5577287550 in words is "five billion, five hundred seventy-seven million, two hundred eighty-seven thousand, five hundred fifty".