48505129 has 4 divisors (see below), whose sum is σ = 48577876. Its totient is φ = 48432384.

The previous prime is 48505103. The next prime is 48505159. The reversal of 48505129 is 92150584.

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 33698025 + 14807104 = 5805^2 + 3848^2 .

It is a cyclic number.

It is not a de Polignac number, because 48505129 - 2⁷ = 48505001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48505094 and 48505103.

It is not an unprimeable number, because it can be changed into a prime (48505159) 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, 35364 + ... + 36709.

It is an arithmetic number, because the mean of its divisors is an integer number (12144469).

Almost surely, 2^48505129 is an apocalyptic number.

It is an amenable number.

48505129 is a deficient number, since it is larger than the sum of its proper divisors (72747).

48505129 is an equidigital number, since it uses as much as digits as its factorization.

48505129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72746.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 48505129 is about 6964.5623695965. The cubic root of 48505129 is about 364.6945063768.

The spelling of 48505129 in words is "forty-eight million, five hundred five thousand, one hundred twenty-nine".