276198055 has 24 divisors (see below), whose sum is σ = 390856752. Its totient is φ = 186786432.

The previous prime is 276198049. The next prime is 276198071. The reversal of 276198055 is 550891672.

It is not a de Polignac number, because 276198055 - 2³ = 276198047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10164 + ... + 25606.

It is an arithmetic number, because the mean of its divisors is an integer number (16285698).

Almost surely, 2^276198055 is an apocalyptic number.

276198055 is a deficient number, since it is larger than the sum of its proper divisors (114658697).

276198055 is a wasteful number, since it uses less digits than its factorization.

276198055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15535 (or 15528 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 276198055 is about 16619.2074119075. The cubic root of 276198055 is about 651.2387069265.

The spelling of 276198055 in words is "two hundred seventy-six million, one hundred ninety-eight thousand, fifty-five".