49392129 has 4 divisors (see below), whose sum is σ = 65856176. Its totient is φ = 32928084.

The previous prime is 49392107. The next prime is 49392137. The reversal of 49392129 is 92129394.

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 not a de Polignac number, because 49392129 - 2¹⁵ = 49359361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49392179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8232019 + ... + 8232024.

It is an arithmetic number, because the mean of its divisors is an integer number (16464044).

Almost surely, 2^49392129 is an apocalyptic number.

It is an amenable number.

49392129 is a deficient number, since it is larger than the sum of its proper divisors (16464047).

49392129 is a wasteful number, since it uses less digits than its factorization.

49392129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16464046.

The product of its digits is 34992, while the sum is 39.

The square root of 49392129 is about 7027.9534005285. The cubic root of 49392129 is about 366.9041146104.

The spelling of 49392129 in words is "forty-nine million, three hundred ninety-two thousand, one hundred twenty-nine".