49154782 has 4 divisors (see below), whose sum is σ = 73732176. Its totient is φ = 24577390.

The previous prime is 49154779. The next prime is 49154783. The reversal of 49154782 is 28745194.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49154783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12288694 + ... + 12288697.

It is an arithmetic number, because the mean of its divisors is an integer number (18433044).

Almost surely, 2^49154782 is an apocalyptic number.

49154782 is a deficient number, since it is larger than the sum of its proper divisors (24577394).

49154782 is a wasteful number, since it uses less digits than its factorization.

49154782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24577393.

The product of its digits is 80640, while the sum is 40.

The square root of 49154782 is about 7011.0471400498. The cubic root of 49154782 is about 366.3154685002.

The spelling of 49154782 in words is "forty-nine million, one hundred fifty-four thousand, seven hundred eighty-two".