279490055 has 16 divisors (see below), whose sum is σ = 363074880. Its totient is φ = 205314048.

The previous prime is 279490039. The next prime is 279490087. The reversal of 279490055 is 550094972.

It is a cyclic number.

It is not a de Polignac number, because 279490055 - 2⁴ = 279490039 is a prime.

It is a super-2 number, since 2×279490055² = 156229381687806050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 279489994 and 279490021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406 + ... + 23684.

It is an arithmetic number, because the mean of its divisors is an integer number (22692180).

Almost surely, 2^279490055 is an apocalyptic number.

279490055 is a deficient number, since it is larger than the sum of its proper divisors (83584825).

279490055 is a wasteful number, since it uses less digits than its factorization.

279490055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22490.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 279490055 is about 16717.9560652611. The cubic root of 279490055 is about 653.8158626141.

The spelling of 279490055 in words is "two hundred seventy-nine million, four hundred ninety thousand, fifty-five".