5551405 has 8 divisors (see below), whose sum is σ = 6803712. Its totient is φ = 4346448.

The previous prime is 5551373. The next prime is 5551417. The reversal of 5551405 is 5041555.

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 5551405 - 2⁵ = 5551373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5551405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11577 + ... + 12046.

It is an arithmetic number, because the mean of its divisors is an integer number (850464).

Almost surely, 2^5551405 is an apocalyptic number.

It is an amenable number.

5551405 is a deficient number, since it is larger than the sum of its proper divisors (1252307).

5551405 is a wasteful number, since it uses less digits than its factorization.

5551405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23675.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 5551405 is about 2356.1419736510. The cubic root of 5551405 is about 177.0656443077.

The spelling of 5551405 in words is "five million, five hundred fifty-one thousand, four hundred five".