5551406 has 24 divisors (see below), whose sum is σ = 9954936. Its totient is φ = 2313360.

The previous prime is 5551373. The next prime is 5551417. The reversal of 5551406 is 6041555.

5551406 = 61² + 62² + ... + 256².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2861 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (414789).

Almost surely, 2^5551406 is an apocalyptic number.

5551406 is a deficient number, since it is larger than the sum of its proper divisors (4403530).

5551406 is a wasteful number, since it uses less digits than its factorization.

5551406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5551406 is about 2356.1421858623. The cubic root of 5551406 is about 177.0656549396.

The spelling of 5551406 in words is "five million, five hundred fifty-one thousand, four hundred six".