49578994 has 4 divisors (see below), whose sum is σ = 74368494. Its totient is φ = 24789496.

The previous prime is 49578989. The next prime is 49579003. The reversal of 49578994 is 49987594.

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

It can be written as a sum of positive squares in only one way, i.e., 46063369 + 3515625 = 6787^2 + 1875^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12394747 + ... + 12394750.

Almost surely, 2^49578994 is an apocalyptic number.

49578994 is a deficient number, since it is larger than the sum of its proper divisors (24789500).

49578994 is a wasteful number, since it uses less digits than its factorization.

49578994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24789499.

The product of its digits is 3265920, while the sum is 55.

The square root of 49578994 is about 7041.2352609468. The cubic root of 49578994 is about 367.3662345014.

The spelling of 49578994 in words is "forty-nine million, five hundred seventy-eight thousand, nine hundred ninety-four".