48478129 has 4 divisors (see below), whose sum is σ = 55403584. Its totient is φ = 41552676.

The previous prime is 48478127. The next prime is 48478147. The reversal of 48478129 is 92187484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48478129 - 2¹ = 48478127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48478123) 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, 3462717 + ... + 3462730.

It is an arithmetic number, because the mean of its divisors is an integer number (13850896).

Almost surely, 2^48478129 is an apocalyptic number.

It is an amenable number.

48478129 is a deficient number, since it is larger than the sum of its proper divisors (6925455).

48478129 is an equidigital number, since it uses as much as digits as its factorization.

48478129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925454.

The product of its digits is 129024, while the sum is 43.

The square root of 48478129 is about 6962.6237152384. The cubic root of 48478129 is about 364.6268257041.

The spelling of 48478129 in words is "forty-eight million, four hundred seventy-eight thousand, one hundred twenty-nine".