49331247 has 32 divisors (see below), whose sum is σ = 77512704. Its totient is φ = 27324000.

The previous prime is 49331237. The next prime is 49331281. The reversal of 49331247 is 74213394.

It is not a de Polignac number, because 49331247 - 2⁴ = 49331231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49331237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148872 + ... + 149202.

It is an arithmetic number, because the mean of its divisors is an integer number (2422272).

Almost surely, 2^49331247 is an apocalyptic number.

49331247 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

49331247 is a deficient number, since it is larger than the sum of its proper divisors (28181457).

49331247 is a wasteful number, since it uses less digits than its factorization.

49331247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its digits is 18144, while the sum is 33.

The square root of 49331247 is about 7023.6206475008. The cubic root of 49331247 is about 366.7533008328.

The spelling of 49331247 in words is "forty-nine million, three hundred thirty-one thousand, two hundred forty-seven".