5651779 has 8 divisors (see below), whose sum is σ = 6503168. Its totient is φ = 4811400.

The previous prime is 5651773. The next prime is 5651801. The reversal of 5651779 is 9771565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5651779 - 2³ = 5651771 is a prime.

5651779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5651771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617 + ... + 3730.

It is an arithmetic number, because the mean of its divisors is an integer number (812896).

Almost surely, 2^5651779 is an apocalyptic number.

5651779 is a deficient number, since it is larger than the sum of its proper divisors (851389).

5651779 is a wasteful number, since it uses less digits than its factorization.

5651779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505.

The product of its digits is 66150, while the sum is 40.

The square root of 5651779 is about 2377.3470508111. The cubic root of 5651779 is about 178.1264409035.

The spelling of 5651779 in words is "five million, six hundred fifty-one thousand, seven hundred seventy-nine".