5525552251 has 4 divisors (see below), whose sum is σ = 5703795904. Its totient is φ = 5347308600.

The previous prime is 5525552233. The next prime is 5525552267. The reversal of 5525552251 is 1522555255.

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 5525552251 - 2²¹ = 5523455099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5525552251.

It is not an unprimeable number, because it can be changed into a prime (5525552231) 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, 89121780 + ... + 89121841.

It is an arithmetic number, because the mean of its divisors is an integer number (1425948976).

Almost surely, 2^5525552251 is an apocalyptic number.

5525552251 is a deficient number, since it is larger than the sum of its proper divisors (178243653).

5525552251 is a wasteful number, since it uses less digits than its factorization.

5525552251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178243652.

The product of its digits is 125000, while the sum is 37.

The square root of 5525552251 is about 74334.0584859995. The cubic root of 5525552251 is about 1767.9035315318.

The spelling of 5525552251 in words is "five billion, five hundred twenty-five million, five hundred fifty-two thousand, two hundred fifty-one".