5231321554 has 8 divisors (see below), whose sum is σ = 7849997820. Its totient is φ = 2614655616.

The previous prime is 5231321551. The next prime is 5231321567. The reversal of 5231321554 is 4551231325.

It can be written as a sum of positive squares in 2 ways, for example, as 4995238329 + 236083225 = 70677^2 + 15365^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5231321551) 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 3 ways as a sum of consecutive naturals, for example, 496059 + ... + 506494.

Almost surely, 2^5231321554 is an apocalyptic number.

5231321554 is a deficient number, since it is larger than the sum of its proper divisors (2618676266).

5231321554 is a wasteful number, since it uses less digits than its factorization.

5231321554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005164.

The product of its digits is 18000, while the sum is 31.

The square root of 5231321554 is about 72327.8753593661. The cubic root of 5231321554 is about 1735.9497057021.

Adding to 5231321554 its reverse (4551231325), we get a palindrome (9782552879).

The spelling of 5231321554 in words is "five billion, two hundred thirty-one million, three hundred twenty-one thousand, five hundred fifty-four".