551575 has 6 divisors (see below), whose sum is σ = 683984. Its totient is φ = 441240.

The previous prime is 551569. The next prime is 551581. The reversal of 551575 is 575155.

551575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551569) and next prime (551581).

It is not a de Polignac number, because 551575 - 2⁵ = 551543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11007 + ... + 11056.

2⁵⁵¹⁵⁷⁵ is an apocalyptic number.

551575 is a deficient number, since it is larger than the sum of its proper divisors (132409).

551575 is a wasteful number, since it uses less digits than its factorization.

551575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22073 (or 22068 counting only the distinct ones).

The product of its digits is 4375, while the sum is 28.

The square root of 551575 is about 742.6809543808. The cubic root of 551575 is about 82.0102604650.

The spelling of 551575 in words is "five hundred fifty-one thousand, five hundred seventy-five".