5551223531 has 8 divisors (see below), whose sum is σ = 6346581984. Its totient is φ = 4756446720.

The previous prime is 5551223501. The next prime is 5551223543. The reversal of 5551223531 is 1353221555.

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 5551223531 - 2¹⁰ = 5551222507 is a prime.

It is a super-2 number, since 2×5551223531² = 61632165382256215922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551223501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124760 + ... + 163301.

It is an arithmetic number, because the mean of its divisors is an integer number (793322748).

Almost surely, 2^5551223531 is an apocalyptic number.

5551223531 is a deficient number, since it is larger than the sum of its proper divisors (795358453).

5551223531 is a wasteful number, since it uses less digits than its factorization.

5551223531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290821.

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

The square root of 5551223531 is about 74506.5334786151. The cubic root of 5551223531 is about 1770.6371492970.

The spelling of 5551223531 in words is "five billion, five hundred fifty-one million, two hundred twenty-three thousand, five hundred thirty-one".