551392 has 12 divisors (see below), whose sum is σ = 1085616. Its totient is φ = 275680.

The previous prime is 551387. The next prime is 551407. The reversal of 551392 is 293155.

It is a congruent number.

It is an unprimeable number.

551392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8584 + ... + 8647.

It is an arithmetic number, because the mean of its divisors is an integer number (90468).

2⁵⁵¹³⁹² is an apocalyptic number.

It is an amenable number.

551392 is a deficient number, since it is larger than the sum of its proper divisors (534224).

551392 is a wasteful number, since it uses less digits than its factorization.

551392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17241 (or 17233 counting only the distinct ones).

The product of its digits is 1350, while the sum is 25.

The square root of 551392 is about 742.5577418625. The cubic root of 551392 is about 82.0011897507.

The spelling of 551392 in words is "five hundred fifty-one thousand, three hundred ninety-two".