55255827291 has 8 divisors (see below), whose sum is σ = 84199355904. Its totient is φ = 31574758440.

The previous prime is 55255827251. The next prime is 55255827383. The reversal of 55255827291 is 19272855255.

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

It is not a de Polignac number, because 55255827291 - 2⁹ = 55255826779 is a prime.

It is a super-2 number, since 2×55255827291² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55255827251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315614915 + ... + 1315614956.

It is an arithmetic number, because the mean of its divisors is an integer number (10524919488).

Almost surely, 2^55255827291 is an apocalyptic number.

55255827291 is a deficient number, since it is larger than the sum of its proper divisors (28943528613).

55255827291 is a wasteful number, since it uses less digits than its factorization.

55255827291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631229881.

The product of its digits is 2520000, while the sum is 51.

The spelling of 55255827291 in words is "fifty-five billion, two hundred fifty-five million, eight hundred twenty-seven thousand, two hundred ninety-one".