5525715145 has 4 divisors (see below), whose sum is σ = 6630858180. Its totient is φ = 4420572112.

The previous prime is 5525715137. The next prime is 5525715149. The reversal of 5525715145 is 5415175255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1167998976 + 4357716169 = 34176^2 + 66013^2 .

It is a cyclic number.

It is not a de Polignac number, because 5525715145 - 2³ = 5525715137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5525715098 and 5525715107.

It is not an unprimeable number, because it can be changed into a prime (5525715149) 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, 552571510 + ... + 552571519.

It is an arithmetic number, because the mean of its divisors is an integer number (1657714545).

Almost surely, 2^5525715145 is an apocalyptic number.

It is an amenable number.

5525715145 is a deficient number, since it is larger than the sum of its proper divisors (1105143035).

5525715145 is a wasteful number, since it uses less digits than its factorization.

5525715145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105143034.

The product of its digits is 175000, while the sum is 40.

The square root of 5525715145 is about 74335.1541667871. The cubic root of 5525715145 is about 1767.9209040366.

The spelling of 5525715145 in words is "five billion, five hundred twenty-five million, seven hundred fifteen thousand, one hundred forty-five".