555255520 has 96 divisors (see below), whose sum is σ = 1343327328. Its totient is φ = 216834048.

The previous prime is 555255433. The next prime is 555255551. The reversal of 555255520 is 25552555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599987 + ... + 1600333.

It is an arithmetic number, because the mean of its divisors is an integer number (13992993).

Almost surely, 2^555255520 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 555255520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671663664).

555255520 is an abundant number, since it is smaller than the sum of its proper divisors (788071808).

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

555255520 is a wasteful number, since it uses less digits than its factorization.

555255520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The square root of 555255520 is about 23563.8604647031. The cubic root of 555255520 is about 821.9226745321.

The spelling of 555255520 in words is "five hundred fifty-five million, two hundred fifty-five thousand, five hundred twenty".