49992783 has 4 divisors (see below), whose sum is σ = 66657048. Its totient is φ = 33328520.

The previous prime is 49992779. The next prime is 49992791. The reversal of 49992783 is 38729994.

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

It is a cyclic number.

It is not a de Polignac number, because 49992783 - 2² = 49992779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49992773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332128 + ... + 8332133.

It is an arithmetic number, because the mean of its divisors is an integer number (16664262).

Almost surely, 2^49992783 is an apocalyptic number.

49992783 is a deficient number, since it is larger than the sum of its proper divisors (16664265).

49992783 is a wasteful number, since it uses less digits than its factorization.

49992783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664264.

The product of its digits is 979776, while the sum is 51.

The square root of 49992783 is about 7070.5574744853. The cubic root of 49992783 is about 368.3854239076.

The spelling of 49992783 in words is "forty-nine million, nine hundred ninety-two thousand, seven hundred eighty-three".