49585991 has 48 divisors (see below), whose sum is σ = 69521760. Its totient is φ = 34836480.

The previous prime is 49585981. The next prime is 49585993. The reversal of 49585991 is 19958594.

It is not a de Polignac number, because 49585991 - 2⁶ = 49585927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49585993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205631 + ... + 205871.

It is an arithmetic number, because the mean of its divisors is an integer number (1448370).

Almost surely, 2^49585991 is an apocalyptic number.

49585991 is a deficient number, since it is larger than the sum of its proper divisors (19935769).

49585991 is a wasteful number, since it uses less digits than its factorization.

49585991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 297 counting only the distinct ones).

The product of its digits is 583200, while the sum is 50.

The square root of 49585991 is about 7041.7321022601. The cubic root of 49585991 is about 367.3835156146.

The spelling of 49585991 in words is "forty-nine million, five hundred eighty-five thousand, nine hundred ninety-one".