49729215 has 16 divisors (see below), whose sum is σ = 79704288. Its totient is φ = 26476416.

The previous prime is 49729193. The next prime is 49729237. The reversal of 49729215 is 51292794.

It is an interprime number because it is at equal distance from previous prime (49729193) and next prime (49729237).

It is not a de Polignac number, because 49729215 - 2²⁴ = 32951999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7257 + ... + 12333.

It is an arithmetic number, because the mean of its divisors is an integer number (4981518).

Almost surely, 2^49729215 is an apocalyptic number.

49729215 is a deficient number, since it is larger than the sum of its proper divisors (29975073).

49729215 is a wasteful number, since it uses less digits than its factorization.

49729215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738.

The product of its digits is 45360, while the sum is 39.

The square root of 49729215 is about 7051.8944263226. The cubic root of 49729215 is about 367.7368920155.

The spelling of 49729215 in words is "forty-nine million, seven hundred twenty-nine thousand, two hundred fifteen".