275541156 has 96 divisors (see below), whose sum is σ = 798456960. Its totient is φ = 81446400.

The previous prime is 275541103. The next prime is 275541181. The reversal of 275541156 is 651145572.

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

It is a self number, because there is not a number n which added to its sum of digits gives 275541156.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45880 + ... + 51536.

It is an arithmetic number, because the mean of its divisors is an integer number (8317260).

Almost surely, 2^275541156 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 275541156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399228480).

275541156 is an abundant number, since it is smaller than the sum of its proper divisors (522915804).

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

275541156 is a wasteful number, since it uses less digits than its factorization.

275541156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722 (or 5714 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 275541156 is about 16599.4323999346. The cubic root of 275541156 is about 650.7220032432.

The spelling of 275541156 in words is "two hundred seventy-five million, five hundred forty-one thousand, one hundred fifty-six".