275270297550 has 24 divisors (see below), whose sum is σ = 682670338296. Its totient is φ = 73405412640.

The previous prime is 275270297537. The next prime is 275270297551. The reversal of 275270297550 is 55792072572.

It is a junction number, because it is equal to n+sod(n) for n = 275270297493 and 275270297502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275270297551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917567509 + ... + 917567808.

It is an arithmetic number, because the mean of its divisors is an integer number (28444597429).

Almost surely, 2^275270297550 is an apocalyptic number.

275270297550 is an abundant number, since it is smaller than the sum of its proper divisors (407400040746).

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

275270297550 is a wasteful number, since it uses less digits than its factorization.

275270297550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835135332 (or 1835135327 counting only the distinct ones).

The product of its (nonzero) digits is 3087000, while the sum is 51.

The spelling of 275270297550 in words is "two hundred seventy-five billion, two hundred seventy million, two hundred ninety-seven thousand, five hundred fifty".