5545152251 has 4 divisors (see below), whose sum is σ = 5545355232. Its totient is φ = 5544949272.

The previous prime is 5545152241. The next prime is 5545152307. The reversal of 5545152251 is 1522515455.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5545152251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5545152211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52691 + ... + 117756.

It is an arithmetic number, because the mean of its divisors is an integer number (1386338808).

Almost surely, 2^5545152251 is an apocalyptic number.

5545152251 is a deficient number, since it is larger than the sum of its proper divisors (202981).

5545152251 is a wasteful number, since it uses less digits than its factorization.

5545152251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202980.

The product of its digits is 50000, while the sum is 35.

The square root of 5545152251 is about 74465.7790599145. The cubic root of 5545152251 is about 1769.9914084510.

The spelling of 5545152251 in words is "five billion, five hundred forty-five million, one hundred fifty-two thousand, two hundred fifty-one".