555243264 has 108 divisors (see below), whose sum is σ = 1631467656. Its totient is φ = 181549056.

The previous prime is 555243203. The next prime is 555243281. The reversal of 555243264 is 462342555.

555243264 is a `hidden beast` number, since 5 + 552 + 43 + 2 + 64 = 666.

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 11 ways as a sum of consecutive naturals, for example, 119839 + ... + 124385.

It is an arithmetic number, because the mean of its divisors is an integer number (15106182).

Almost surely, 2^555243264 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 555243264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815733828).

555243264 is an abundant number, since it is smaller than the sum of its proper divisors (1076224392).

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

555243264 is a wasteful number, since it uses less digits than its factorization.

555243264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622 (or 4605 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 555243264 is about 23563.6004040130. The cubic root of 555243264 is about 821.9166271311.

The spelling of 555243264 in words is "five hundred fifty-five million, two hundred forty-three thousand, two hundred sixty-four".