275528000 has 224 divisors, whose sum is σ = 775996416. Its totient is φ = 96000000.

The previous prime is 275527999. The next prime is 275528003. The reversal of 275528000 is 825572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275528003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2727950 + ... + 2728050.

Almost surely, 2^275528000 is an apocalyptic number.

275528000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275528000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387998208).

275528000 is an abundant number, since it is smaller than the sum of its proper divisors (500468416).

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

275528000 is a wasteful number, since it uses less digits than its factorization.

275528000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 275528000 is about 16599.0361165942. The cubic root of 275528000 is about 650.7116466113.

The spelling of 275528000 in words is "two hundred seventy-five million, five hundred twenty-eight thousand".