49507838 has 4 divisors (see below), whose sum is σ = 74261760. Its totient is φ = 24753918.

The previous prime is 49507823. The next prime is 49507847. The reversal of 49507838 is 83870594.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12376958 + ... + 12376961.

It is an arithmetic number, because the mean of its divisors is an integer number (18565440).

Almost surely, 2^49507838 is an apocalyptic number.

49507838 is a deficient number, since it is larger than the sum of its proper divisors (24753922).

49507838 is a wasteful number, since it uses less digits than its factorization.

49507838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24753921.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 49507838 is about 7036.1806400916. The cubic root of 49507838 is about 367.1904017866.

The spelling of 49507838 in words is "forty-nine million, five hundred seven thousand, eight hundred thirty-eight".