275667552 has 72 divisors (see below), whose sum is σ = 791625744. Its totient is φ = 90987264.

The previous prime is 275667517. The next prime is 275667571. The reversal of 275667552 is 255766572.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 275667498 and 275667507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25018 + ... + 34310.

It is an arithmetic number, because the mean of its divisors is an integer number (10994802).

Almost surely, 2^275667552 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 275667552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395812872).

275667552 is an abundant number, since it is smaller than the sum of its proper divisors (515958192).

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

275667552 is a wasteful number, since it uses less digits than its factorization.

275667552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9412 (or 9401 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 275667552 is about 16603.2392020352. The cubic root of 275667552 is about 650.8214875772.

The spelling of 275667552 in words is "two hundred seventy-five million, six hundred sixty-seven thousand, five hundred fifty-two".