5551687 has 16 divisors (see below), whose sum is σ = 6031872. Its totient is φ = 5100480.

The previous prime is 5551669. The next prime is 5551699. The reversal of 5551687 is 7861555.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82828 + ... + 82894.

It is an arithmetic number, because the mean of its divisors is an integer number (376992).

Almost surely, 2^5551687 is an apocalyptic number.

5551687 is a deficient number, since it is larger than the sum of its proper divisors (480185).

5551687 is a wasteful number, since it uses less digits than its factorization.

5551687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

The product of its digits is 42000, while the sum is 37.

The square root of 5551687 is about 2356.2018164835. The cubic root of 5551687 is about 177.0686424476.

The spelling of 5551687 in words is "five million, five hundred fifty-one thousand, six hundred eighty-seven".