5551487 has 8 divisors (see below), whose sum is σ = 5892480. Its totient is φ = 5218840.

The previous prime is 5551463. The next prime is 5551489. The reversal of 5551487 is 7841555.

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 5551487 - 2⁶ = 5551423 is a prime.

It is a super-2 number, since 2×5551487² = 61638015822338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551489) 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, 689 + ... + 3402.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

Almost surely, 2^5551487 is an apocalyptic number.

5551487 is a deficient number, since it is larger than the sum of its proper divisors (340993).

5551487 is a wasteful number, since it uses less digits than its factorization.

5551487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173.

The product of its digits is 28000, while the sum is 35.

The square root of 5551487 is about 2356.1593749150. The cubic root of 5551487 is about 177.0665161177.

The spelling of 5551487 in words is "five million, five hundred fifty-one thousand, four hundred eighty-seven".