275545452 has 96 divisors (see below), whose sum is σ = 837914112. Its totient is φ = 68391936.

The previous prime is 275545447. The next prime is 275545493. The reversal of 275545452 is 254545572.

It is a super-2 number, since 2×275545452² = 151850592235768608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 275545452.

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, 11143 + ... + 25985.

It is an arithmetic number, because the mean of its divisors is an integer number (8728272).

Almost surely, 2^275545452 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 275545452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418957056).

275545452 is an abundant number, since it is smaller than the sum of its proper divisors (562368660).

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

275545452 is a wasteful number, since it uses less digits than its factorization.

275545452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14887 (or 14885 counting only the distinct ones).

The product of its digits is 280000, while the sum is 39.

The square root of 275545452 is about 16599.5618014452. The cubic root of 275545452 is about 650.7253850576.

The spelling of 275545452 in words is "two hundred seventy-five million, five hundred forty-five thousand, four hundred fifty-two".