49154749 has 16 divisors (see below), whose sum is σ = 59178240. Its totient is φ = 39916800.

The previous prime is 49154741. The next prime is 49154753. The reversal of 49154749 is 94745194.

It is not a de Polignac number, because 49154749 - 2³ = 49154741 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 (49154741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16149 + ... + 18949.

It is an arithmetic number, because the mean of its divisors is an integer number (3698640).

Almost surely, 2^49154749 is an apocalyptic number.

It is an amenable number.

49154749 is a deficient number, since it is larger than the sum of its proper divisors (10023491).

49154749 is a wasteful number, since it uses less digits than its factorization.

49154749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

The product of its digits is 181440, while the sum is 43.

The square root of 49154749 is about 7011.0447866206. The cubic root of 49154749 is about 366.3153865250.

The spelling of 49154749 in words is "forty-nine million, one hundred fifty-four thousand, seven hundred forty-nine".