49256979 has 4 divisors (see below), whose sum is σ = 65675976. Its totient is φ = 32837984.

The previous prime is 49256959. The next prime is 49256983. The reversal of 49256979 is 97965294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49256979 - 2⁸ = 49256723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49256929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8209494 + ... + 8209499.

It is an arithmetic number, because the mean of its divisors is an integer number (16418994).

Almost surely, 2^49256979 is an apocalyptic number.

49256979 is a deficient number, since it is larger than the sum of its proper divisors (16418997).

49256979 is a wasteful number, since it uses less digits than its factorization.

49256979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16418996.

The product of its digits is 1224720, while the sum is 51.

The square root of 49256979 is about 7018.3316393570. The cubic root of 49256979 is about 366.5691598393.

The spelling of 49256979 in words is "forty-nine million, two hundred fifty-six thousand, nine hundred seventy-nine".