5681880 has 64 divisors (see below), whose sum is σ = 18943200. Its totient is φ = 1514880.

The previous prime is 5681869. The next prime is 5681899. The reversal of 5681880 is 881865.

5681880 = 226² + 227² + ... + 305².

5681880 is a `hidden beast` number, since 568 + 18 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1551 + ... + 3710.

Almost surely, 2^5681880 is an apocalyptic number.

It is an amenable number.

5681880 is an abundant number, since it is smaller than the sum of its proper divisors (13261320).

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

5681880 is a wasteful number, since it uses less digits than its factorization.

5681880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281 (or 5271 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 5681880 is about 2383.6694401699. The cubic root of 5681880 is about 178.4421110213.

It can be divided in two parts, 5681 and 880, that added together give a 8-th power (6561 = 3⁸).

The spelling of 5681880 in words is "five million, six hundred eighty-one thousand, eight hundred eighty".