49781294 has 4 divisors (see below), whose sum is σ = 74671944. Its totient is φ = 24890646.

The previous prime is 49781293. The next prime is 49781299. The reversal of 49781294 is 49218794.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49781293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12445322 + ... + 12445325.

It is an arithmetic number, because the mean of its divisors is an integer number (18667986).

Almost surely, 2^49781294 is an apocalyptic number.

49781294 is a deficient number, since it is larger than the sum of its proper divisors (24890650).

49781294 is a wasteful number, since it uses less digits than its factorization.

49781294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24890649.

The product of its digits is 145152, while the sum is 44.

The square root of 49781294 is about 7055.5860139325. The cubic root of 49781294 is about 367.8652182455.

Subtracting from 49781294 its reverse (49218794), we obtain a square (562500 = 750²).

The spelling of 49781294 in words is "forty-nine million, seven hundred eighty-one thousand, two hundred ninety-four".