49893891 has 8 divisors (see below), whose sum is σ = 68819280. Its totient is φ = 32115552.

The previous prime is 49893887. The next prime is 49893941. The reversal of 49893891 is 19839894.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49893891 - 2² = 49893887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49893841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286660 + ... + 286833.

It is an arithmetic number, because the mean of its divisors is an integer number (8602410).

Almost surely, 2^49893891 is an apocalyptic number.

49893891 is a deficient number, since it is larger than the sum of its proper divisors (18925389).

49893891 is a wasteful number, since it uses less digits than its factorization.

49893891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573525.

The product of its digits is 559872, while the sum is 51.

The square root of 49893891 is about 7063.5607875915. The cubic root of 49893891 is about 368.1423593633.

The spelling of 49893891 in words is "forty-nine million, eight hundred ninety-three thousand, eight hundred ninety-one".