551488 has 28 divisors (see below), whose sum is σ = 1251712. Its totient is φ = 236160.

The previous prime is 551483. The next prime is 551489. The reversal of 551488 is 884155.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (551483) 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, 168 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (44704).

2⁵⁵¹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

551488 is an abundant number, since it is smaller than the sum of its proper divisors (700224).

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

551488 is a wasteful number, since it uses less digits than its factorization.

551488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1240 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The square root of 551488 is about 742.6223804869. The cubic root of 551488 is about 82.0059484085.

The spelling of 551488 in words is "five hundred fifty-one thousand, four hundred eighty-eight".