5223551551 has 4 divisors (see below), whose sum is σ = 5450662512. Its totient is φ = 4996440592.

The previous prime is 5223551539. The next prime is 5223551569. The reversal of 5223551551 is 1551553225.

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 5223551551 - 2⁷ = 5223551423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223551521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113555446 + ... + 113555491.

It is an arithmetic number, because the mean of its divisors is an integer number (1362665628).

Almost surely, 2^5223551551 is an apocalyptic number.

5223551551 is a deficient number, since it is larger than the sum of its proper divisors (227110961).

5223551551 is a wasteful number, since it uses less digits than its factorization.

5223551551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227110960.

The product of its digits is 37500, while the sum is 34.

The square root of 5223551551 is about 72274.1416483102. The cubic root of 5223551551 is about 1735.0898198648.

The spelling of 5223551551 in words is "five billion, two hundred twenty-three million, five hundred fifty-one thousand, five hundred fifty-one".