525455488 has 64 divisors (see below), whose sum is σ = 1125590400. Its totient is φ = 243551232.

The previous prime is 525455477. The next prime is 525455501. The reversal of 525455488 is 884554525.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×525455488² = 552206939738636288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112006 + ... + 116602.

It is an arithmetic number, because the mean of its divisors is an integer number (17587350).

Almost surely, 2^525455488 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 525455488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562795200).

525455488 is an abundant number, since it is smaller than the sum of its proper divisors (600134912).

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

525455488 is a wasteful number, since it uses less digits than its factorization.

525455488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4665 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 46.

The square root of 525455488 is about 22922.8158828709. The cubic root of 525455488 is about 806.9475563323.

The spelling of 525455488 in words is "five hundred twenty-five million, four hundred fifty-five thousand, four hundred eighty-eight".