5251775547 has 4 divisors (see below), whose sum is σ = 7002367400. Its totient is φ = 3501183696.

The previous prime is 5251775531. The next prime is 5251775569. The reversal of 5251775547 is 7455771525.

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

It is not a de Polignac number, because 5251775547 - 2⁴ = 5251775531 is a prime.

It is a super-2 number, since 2×5251775547² = 55162292792134298418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5251775496 and 5251775505.

It is not an unprimeable number, because it can be changed into a prime (5251775527) 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, 875295922 + ... + 875295927.

It is an arithmetic number, because the mean of its divisors is an integer number (1750591850).

Almost surely, 2^5251775547 is an apocalyptic number.

5251775547 is a deficient number, since it is larger than the sum of its proper divisors (1750591853).

5251775547 is a wasteful number, since it uses less digits than its factorization.

5251775547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750591852.

The product of its digits is 1715000, while the sum is 48.

The square root of 5251775547 is about 72469.1351335174. The cubic root of 5251775547 is about 1738.2092320635.

The spelling of 5251775547 in words is "five billion, two hundred fifty-one million, seven hundred seventy-five thousand, five hundred forty-seven".