291048055 has 8 divisors (see below), whose sum is σ = 350520192. Its totient is φ = 231996768.

The previous prime is 291048001. The next prime is 291048077. The reversal of 291048055 is 550840192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 291048055 - 2¹⁵ = 291015287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 291048055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103687 + ... + 106456.

It is an arithmetic number, because the mean of its divisors is an integer number (43815024).

Almost surely, 2^291048055 is an apocalyptic number.

291048055 is a deficient number, since it is larger than the sum of its proper divisors (59472137).

291048055 is a wasteful number, since it uses less digits than its factorization.

291048055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210425.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 291048055 is about 17060.1305680818. The cubic root of 291048055 is about 662.7070139825.

The spelling of 291048055 in words is "two hundred ninety-one million, forty-eight thousand, fifty-five".