49386129 has 16 divisors (see below), whose sum is σ = 73997952. Its totient is φ = 29069568.

The previous prime is 49386121. The next prime is 49386133. The reversal of 49386129 is 92168394.

It is not a de Polignac number, because 49386129 - 2³ = 49386121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49386121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26632 + ... + 28425.

It is an arithmetic number, because the mean of its divisors is an integer number (4624872).

Almost surely, 2^49386129 is an apocalyptic number.

It is an amenable number.

49386129 is a deficient number, since it is larger than the sum of its proper divisors (24611823).

49386129 is a wasteful number, since it uses less digits than its factorization.

49386129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55096.

The product of its digits is 93312, while the sum is 42.

The square root of 49386129 is about 7027.5265207611. The cubic root of 49386129 is about 366.8892572240.

The spelling of 49386129 in words is "forty-nine million, three hundred eighty-six thousand, one hundred twenty-nine".