49997782 has 8 divisors (see below), whose sum is σ = 79408296. Its totient is φ = 23528352.

The previous prime is 49997771. The next prime is 49997803. The reversal of 49997782 is 28779994.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735228 + ... + 735295.

It is an arithmetic number, because the mean of its divisors is an integer number (9926037).

Almost surely, 2^49997782 is an apocalyptic number.

49997782 is a deficient number, since it is larger than the sum of its proper divisors (29410514).

49997782 is a wasteful number, since it uses less digits than its factorization.

49997782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470542.

The product of its digits is 2286144, while the sum is 55.

The square root of 49997782 is about 7070.9109738421. The cubic root of 49997782 is about 368.3977023289.

The spelling of 49997782 in words is "forty-nine million, nine hundred ninety-seven thousand, seven hundred eighty-two".