48172687529 has 4 divisors (see below), whose sum is σ = 48962403780. Its totient is φ = 47382971280.

The previous prime is 48172687523. The next prime is 48172687597. The reversal of 48172687529 is 92578627184.

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 2769601129 + 45403086400 = 52627^2 + 213080^2 .

It is a cyclic number.

It is not a de Polignac number, because 48172687529 - 2⁸ = 48172687273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48172687523) 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, 394858034 + ... + 394858155.

It is an arithmetic number, because the mean of its divisors is an integer number (12240600945).

Almost surely, 2^48172687529 is an apocalyptic number.

It is an amenable number.

48172687529 is a deficient number, since it is larger than the sum of its proper divisors (789716251).

48172687529 is an equidigital number, since it uses as much as digits as its factorization.

48172687529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789716250.

The product of its digits is 13547520, while the sum is 59.

The spelling of 48172687529 in words is "forty-eight billion, one hundred seventy-two million, six hundred eighty-seven thousand, five hundred twenty-nine".