5500251531 has 12 divisors (see below), whose sum is σ = 8034076440. Its totient is φ = 3625633440.

The previous prime is 5500251529. The next prime is 5500251551. The reversal of 5500251531 is 1351520055.

5500251531 is a `hidden beast` number, since 5 + 500 + 2 + 5 + 153 + 1 = 666.

It is not a de Polignac number, because 5500251531 - 2¹ = 5500251529 is a prime.

It is a super-2 number, since 2×5500251531² = 60505533808535687922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5500251495 and 5500251504.

It is not an unprimeable number, because it can be changed into a prime (5500251551) 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 11 ways as a sum of consecutive naturals, for example, 3432565 + ... + 3434166.

It is an arithmetic number, because the mean of its divisors is an integer number (669506370).

Almost surely, 2^5500251531 is an apocalyptic number.

5500251531 is a deficient number, since it is larger than the sum of its proper divisors (2533824909).

5500251531 is a wasteful number, since it uses less digits than its factorization.

5500251531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866826 (or 6866823 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 5500251531 is about 74163.6806732244. The cubic root of 5500251531 is about 1765.2010761027.

Adding to 5500251531 its reverse (1351520055), we get a palindrome (6851771586).

The spelling of 5500251531 in words is "five billion, five hundred million, two hundred fifty-one thousand, five hundred thirty-one".