555072 has 84 divisors (see below), whose sum is σ = 1737360. Its totient is φ = 155904.

The previous prime is 555053. The next prime is 555073. The reversal of 555072 is 270555.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is not an unprimeable number, because it can be changed into a prime (555073) by changing a digit.

555072 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 in 11 ways as a sum of consecutive naturals, for example, 9379 + ... + 9437.

2⁵⁵⁵⁰⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868680).

555072 is an abundant number, since it is smaller than the sum of its proper divisors (1182288).

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

555072 is a wasteful number, since it uses less digits than its factorization.

555072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 555072 is about 745.0315429564. The cubic root of 555072 is about 82.1832112100.

The spelling of 555072 in words is "five hundred fifty-five thousand, seventy-two".