49891079 has 8 divisors (see below), whose sum is σ = 57315360. Its totient is φ = 42541056.

The previous prime is 49891069. The next prime is 49891087. The reversal of 49891079 is 97019894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49891079 - 2⁴ = 49891063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49891069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17114 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (7164420).

Almost surely, 2^49891079 is an apocalyptic number.

49891079 is a deficient number, since it is larger than the sum of its proper divisors (7424281).

49891079 is a wasteful number, since it uses less digits than its factorization.

49891079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37129.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 49891079 is about 7063.3617350381. The cubic root of 49891079 is about 368.1354431140.

The spelling of 49891079 in words is "forty-nine million, eight hundred ninety-one thousand, seventy-nine".