5521001255 has 48 divisors (see below), whose sum is σ = 8566344864. Its totient is φ = 3376638720.

The previous prime is 5521001249. The next prime is 5521001257.

5521001255 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5521001255 - 2⁶ = 5521001191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521001257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123509 + ... + 162161.

It is an arithmetic number, because the mean of its divisors is an integer number (178465518).

Almost surely, 2^5521001255 is an apocalyptic number.

5521001255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5521001255 is a deficient number, since it is larger than the sum of its proper divisors (3045343609).

5521001255 is a wasteful number, since it uses less digits than its factorization.

5521001255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38736 (or 38729 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 5521001255 is about 74303.4403981404. The cubic root of 5521001255 is about 1767.4180336462.

It can be divided in two parts, 552100 and 1255, that added together give a palindrome (553355).

The spelling of 5521001255 in words is "five billion, five hundred twenty-one million, one thousand, two hundred fifty-five".