49992278 has 8 divisors (see below), whose sum is σ = 85701072. Its totient is φ = 21425256.

The previous prime is 49992253. The next prime is 49992281. The reversal of 49992278 is 87229994.

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, 1785425 + ... + 1785452.

It is an arithmetic number, because the mean of its divisors is an integer number (10712634).

Almost surely, 2^49992278 is an apocalyptic number.

49992278 is a deficient number, since it is larger than the sum of its proper divisors (35708794).

49992278 is a wasteful number, since it uses less digits than its factorization.

49992278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570886.

The product of its digits is 653184, while the sum is 50.

The square root of 49992278 is about 7070.5217629253. The cubic root of 49992278 is about 368.3841834935.

The spelling of 49992278 in words is "forty-nine million, nine hundred ninety-two thousand, two hundred seventy-eight".