550153021031 has 4 divisors (see below), whose sum is σ = 552555436200. Its totient is φ = 547750605864.

The previous prime is 550153021027. The next prime is 550153021037. The reversal of 550153021031 is 130120351055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550153021031 - 2² = 550153021027 is a prime.

It is a super-2 number, since 2×550153021031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550153021037) 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, 1201207241 + ... + 1201207698.

It is an arithmetic number, because the mean of its divisors is an integer number (138138859050).

Almost surely, 2^550153021031 is an apocalyptic number.

550153021031 is a deficient number, since it is larger than the sum of its proper divisors (2402415169).

550153021031 is a wasteful number, since it uses less digits than its factorization.

550153021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402415168.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 550153021031 its reverse (130120351055), we get a palindrome (680273372086).

The spelling of 550153021031 in words is "five hundred fifty billion, one hundred fifty-three million, twenty-one thousand, thirty-one".