551472 has 20 divisors (see below), whose sum is σ = 1424760. Its totient is φ = 183808.

The previous prime is 551461. The next prime is 551483. The reversal of 551472 is 274155.

It is an interprime number because it is at equal distance from previous prime (551461) and next prime (551483).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5697 + ... + 5792.

It is an arithmetic number, because the mean of its divisors is an integer number (71238).

2⁵⁵¹⁴⁷² is an apocalyptic number.

It is an amenable number.

551472 is an abundant number, since it is smaller than the sum of its proper divisors (873288).

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

551472 is a wasteful number, since it uses less digits than its factorization.

551472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500 (or 11494 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 551472 is about 742.6116077735. The cubic root of 551472 is about 82.0051553372.

The spelling of 551472 in words is "five hundred fifty-one thousand, four hundred seventy-two".