275477755 has 24 divisors (see below), whose sum is σ = 385866288. Its totient is φ = 188250048.

The previous prime is 275477753. The next prime is 275477759. The reversal of 275477755 is 557774572.

It is a happy number.

It is not a de Polignac number, because 275477755 - 2¹ = 275477753 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275477699 and 275477708.

It is not an unprimeable number, because it can be changed into a prime (275477753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75892 + ... + 79438.

It is an arithmetic number, because the mean of its divisors is an integer number (16077762).

Almost surely, 2^275477755 is an apocalyptic number.

275477755 is a deficient number, since it is larger than the sum of its proper divisors (110388533).

275477755 is a wasteful number, since it uses less digits than its factorization.

275477755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883 (or 3876 counting only the distinct ones).

The product of its digits is 2401000, while the sum is 49.

The square root of 275477755 is about 16597.5225560925. The cubic root of 275477755 is about 650.6720898400.

The spelling of 275477755 in words is "two hundred seventy-five million, four hundred seventy-seven thousand, seven hundred fifty-five".