49179047 has 4 divisors (see below), whose sum is σ = 49215600. Its totient is φ = 49142496.

The previous prime is 49179043. The next prime is 49179059. The reversal of 49179047 is 74097194.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74097194 = 2 ⋅37048597.

It is a cyclic number.

It is not a de Polignac number, because 49179047 - 2² = 49179043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49178995 and 49179013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49179043) 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, 16178 + ... + 18975.

It is an arithmetic number, because the mean of its divisors is an integer number (12303900).

Almost surely, 2^49179047 is an apocalyptic number.

49179047 is a deficient number, since it is larger than the sum of its proper divisors (36553).

49179047 is a wasteful number, since it uses less digits than its factorization.

49179047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36552.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 49179047 is about 7012.7774098427. Note that the first 3 decimals coincide. The cubic root of 49179047 is about 366.3757351536.

The spelling of 49179047 in words is "forty-nine million, one hundred seventy-nine thousand, forty-seven".