525543552 has 160 divisors (see below), whose sum is σ = 1578418380. Its totient is φ = 173574144.

The previous prime is 525543541. The next prime is 525543563. The reversal of 525543552 is 255345525.

525543552 is a `hidden beast` number, since 52 + 5 + 54 + 3 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (525543541) and next prime (525543563).

It can be written as a sum of positive squares in 2 ways, for example, as 397763136 + 127780416 = 19944^2 + 11304^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1793518 + ... + 1793810.

Almost surely, 2^525543552 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 525543552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789209190).

525543552 is an abundant number, since it is smaller than the sum of its proper divisors (1052874828).

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

525543552 is a wasteful number, since it uses less digits than its factorization.

525543552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 471 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 525543552 is about 22924.7366833296. The cubic root of 525543552 is about 806.9926340865.

The spelling of 525543552 in words is "five hundred twenty-five million, five hundred forty-three thousand, five hundred fifty-two".