49159905 has 8 divisors (see below), whose sum is σ = 78655872. Its totient is φ = 26218608.

The previous prime is 49159871. The next prime is 49159907. The reversal of 49159905 is 50995194.

It is a happy number.

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

It is not a de Polignac number, because 49159905 - 2⁶ = 49159841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49159907) 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, 1638649 + ... + 1638678.

It is an arithmetic number, because the mean of its divisors is an integer number (9831984).

Almost surely, 2^49159905 is an apocalyptic number.

It is an amenable number.

49159905 is a deficient number, since it is larger than the sum of its proper divisors (29495967).

49159905 is a wasteful number, since it uses less digits than its factorization.

49159905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277335.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 49159905 is about 7011.4124825173. The cubic root of 49159905 is about 366.3281940776.

The spelling of 49159905 in words is "forty-nine million, one hundred fifty-nine thousand, nine hundred five".