5551872 has 36 divisors (see below), whose sum is σ = 14778120. Its totient is φ = 1850368.

The previous prime is 5551867. The next prime is 5551873. The reversal of 5551872 is 2781555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847 + ... + 4382.

Almost surely, 2^5551872 is an apocalyptic number.

It is an amenable number.

5551872 is an abundant number, since it is smaller than the sum of its proper divisors (9226248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5551872 is an equidigital number, since it uses as much as digits as its factorization.

5551872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248 (or 7234 counting only the distinct ones).

The product of its digits is 14000, while the sum is 33.

The square root of 5551872 is about 2356.2410742537. The cubic root of 5551872 is about 177.0706092572.

The spelling of 5551872 in words is "five million, five hundred fifty-one thousand, eight hundred seventy-two".