49279031 has 4 divisors (see below), whose sum is σ = 49293072. Its totient is φ = 49264992.

The previous prime is 49279019. The next prime is 49279051. The reversal of 49279031 is 13097294.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49279031 - 2¹⁰ = 49278007 is a prime.

It is a super-2 number, since 2×49279031² = 4856845792597922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49278982 and 49279000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49279051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (12323268).

Almost surely, 2^49279031 is an apocalyptic number.

49279031 is a deficient number, since it is larger than the sum of its proper divisors (14041).

49279031 is an equidigital number, since it uses as much as digits as its factorization.

49279031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14040.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 49279031 is about 7019.9024922003. The cubic root of 49279031 is about 366.6238551485.

The spelling of 49279031 in words is "forty-nine million, two hundred seventy-nine thousand, thirty-one".