264551855 has 8 divisors (see below), whose sum is σ = 319108272. Its totient is φ = 210544128.

The previous prime is 264551851. The next prime is 264551879. The reversal of 264551855 is 558155462.

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 264551855 - 2² = 264551851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264551851) 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 7 ways as a sum of consecutive naturals, for example, 136109 + ... + 138038.

It is an arithmetic number, because the mean of its divisors is an integer number (39888534).

Almost surely, 2^264551855 is an apocalyptic number.

264551855 is a deficient number, since it is larger than the sum of its proper divisors (54556417).

264551855 is a wasteful number, since it uses less digits than its factorization.

264551855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274345.

The product of its digits is 240000, while the sum is 41.

The square root of 264551855 is about 16265.0501075158. The cubic root of 264551855 is about 641.9535482997.

The spelling of 264551855 in words is "two hundred sixty-four million, five hundred fifty-one thousand, eight hundred fifty-five".