49968578 has 16 divisors (see below), whose sum is σ = 82101600. Its totient is φ = 22620000.

The previous prime is 49968557. The next prime is 49968587. The reversal of 49968578 is 87586994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (5131350).

Almost surely, 2^49968578 is an apocalyptic number.

49968578 is a deficient number, since it is larger than the sum of its proper divisors (32133022).

49968578 is a wasteful number, since it uses less digits than its factorization.

49968578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313.

The product of its digits is 4354560, while the sum is 56.

The square root of 49968578 is about 7068.8455917498. The cubic root of 49968578 is about 368.3259606003.

The spelling of 49968578 in words is "forty-nine million, nine hundred sixty-eight thousand, five hundred seventy-eight".