5517780 has 48 divisors (see below), whose sum is σ = 15833664. Its totient is φ = 1434880.

The previous prime is 5517779. The next prime is 5517823. The reversal of 5517780 is 877155.

It is a super-2 number, since 2×5517780² = 60891792256800, which contains 22 as substring.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1339 + ... + 3581.

It is an arithmetic number, because the mean of its divisors is an integer number (329868).

Almost surely, 2^5517780 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 5517780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7916832).

5517780 is an abundant number, since it is smaller than the sum of its proper divisors (10315884).

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

5517780 is a wasteful number, since it uses less digits than its factorization.

5517780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 5517780 is about 2348.9955300085. The cubic root of 5517780 is about 176.7074230561.

The spelling of 5517780 in words is "five million, five hundred seventeen thousand, seven hundred eighty".