555946272 has 72 divisors (see below), whose sum is σ = 1806831936. Its totient is φ = 158841216.

The previous prime is 555946231. The next prime is 555946273. The reversal of 555946272 is 272649555.

555946272 is a `hidden beast` number, since 55 + 594 + 6 + 2 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (555946273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135868 + ... + 139899.

It is an arithmetic number, because the mean of its divisors is an integer number (25094888).

Almost surely, 2^555946272 is an apocalyptic number.

It is an amenable number.

555946272 is an abundant number, since it is smaller than the sum of its proper divisors (1250885664).

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

555946272 is a wasteful number, since it uses less digits than its factorization.

555946272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275790 (or 275779 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 555946272 is about 23578.5129302083. The cubic root of 555946272 is about 822.2633642049.

The spelling of 555946272 in words is "five hundred fifty-five million, nine hundred forty-six thousand, two hundred seventy-two".