5611780 has 12 divisors (see below), whose sum is σ = 11784780. Its totient is φ = 2244704.

The previous prime is 5611763. The next prime is 5611789. The reversal of 5611780 is 871165.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 3740356 = 1368^2 + 1934^2 .

It is not an unprimeable number, because it can be changed into a prime (5611789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140275 + ... + 140314.

It is an arithmetic number, because the mean of its divisors is an integer number (982065).

Almost surely, 2^5611780 is an apocalyptic number.

It is an amenable number.

5611780 is an abundant number, since it is smaller than the sum of its proper divisors (6173000).

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

5611780 is a wasteful number, since it uses less digits than its factorization.

5611780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280598 (or 280596 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 5611780 is about 2368.9195849585. The cubic root of 5611780 is about 177.7052311056.

The spelling of 5611780 in words is "five million, six hundred eleven thousand, seven hundred eighty".