5551845 has 32 divisors (see below), whose sum is σ = 9725184. Its totient is φ = 2688000.

The previous prime is 5551837. The next prime is 5551853. The reversal of 5551845 is 5481555.

It is an interprime number because it is at equal distance from previous prime (5551837) and next prime (5551853).

It is not a de Polignac number, because 5551845 - 2³ = 5551837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13645 + ... + 14045.

It is an arithmetic number, because the mean of its divisors is an integer number (303912).

Almost surely, 2^5551845 is an apocalyptic number.

It is an amenable number.

5551845 is a deficient number, since it is larger than the sum of its proper divisors (4173339).

5551845 is a wasteful number, since it uses less digits than its factorization.

5551845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its digits is 20000, while the sum is 33.

The square root of 5551845 is about 2356.2353447820. The cubic root of 5551845 is about 177.0703222120.

The spelling of 5551845 in words is "five million, five hundred fifty-one thousand, eight hundred forty-five".