55213031255 has 8 divisors (see below), whose sum is σ = 66280589712. Its totient is φ = 44153790208.

The previous prime is 55213031249. The next prime is 55213031261.

55213031255 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (55213031249) and next prime (55213031261).

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 55213031255 - 2¹⁶ = 55212965719 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 7 ways as a sum of consecutive naturals, for example, 2064737 + ... + 2091306.

It is an arithmetic number, because the mean of its divisors is an integer number (8285073714).

Almost surely, 2^55213031255 is an apocalyptic number.

55213031255 is a deficient number, since it is larger than the sum of its proper divisors (11067558457).

55213031255 is a wasteful number, since it uses less digits than its factorization.

55213031255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158705.

The product of its (nonzero) digits is 22500, while the sum is 32.

It can be divided in two parts, 552130 and 31255, that added together give a palindrome (583385).

The spelling of 55213031255 in words is "fifty-five billion, two hundred thirteen million, thirty-one thousand, two hundred fifty-five".