555442272 has 480 divisors, whose sum is σ = 2142733824. Its totient is φ = 137998080.

The previous prime is 555442267. The next prime is 555442289. The reversal of 555442272 is 272244555.

It is a super-2 number, since 2×555442272² = 617032235049043968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24149653 + ... + 24149675.

Almost surely, 2^555442272 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 555442272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071366912).

555442272 is an abundant number, since it is smaller than the sum of its proper divisors (1587291552).

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

555442272 is a wasteful number, since it uses less digits than its factorization.

555442272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 46 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 555442272 is about 23567.8228099246. The cubic root of 555442272 is about 822.0148113906.

The spelling of 555442272 in words is "five hundred fifty-five million, four hundred forty-two thousand, two hundred seventy-two".