525553288 has 16 divisors (see below), whose sum is σ = 1061213580. Its totient is φ = 242563008.

The previous prime is 525553271. The next prime is 525553309. The reversal of 525553288 is 882355525.

It can be written as a sum of positive squares in 2 ways, for example, as 451902564 + 73650724 = 21258^2 + 8582^2 .

It is a super-2 number, since 2×525553288² = 552412517055221888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526595 + ... + 2526802.

Almost surely, 2^525553288 is an apocalyptic number.

It is an amenable number.

525553288 is an abundant number, since it is smaller than the sum of its proper divisors (535660292).

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

525553288 is a wasteful number, since it uses less digits than its factorization.

525553288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053416 (or 5053412 counting only the distinct ones).

The product of its digits is 480000, while the sum is 43.

The square root of 525553288 is about 22924.9490293872. The cubic root of 525553288 is about 806.9976173917.

The spelling of 525553288 in words is "five hundred twenty-five million, five hundred fifty-three thousand, two hundred eighty-eight".