49787133 has 16 divisors (see below), whose sum is σ = 72549696. Its totient is φ = 30119040.

The previous prime is 49787131. The next prime is 49787183. The reversal of 49787133 is 33178794.

It is not a de Polignac number, because 49787133 - 2¹ = 49787131 is a prime.

It is a super-2 number, since 2×49787133² = 4957517224719378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49787131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23985 + ... + 25977.

It is an arithmetic number, because the mean of its divisors is an integer number (4534356).

Almost surely, 2^49787133 is an apocalyptic number.

It is an amenable number.

49787133 is a deficient number, since it is larger than the sum of its proper divisors (22762563).

49787133 is a wasteful number, since it uses less digits than its factorization.

49787133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764.

The product of its digits is 127008, while the sum is 42.

The square root of 49787133 is about 7055.9997874150. Note that the first 3 decimals coincide. The cubic root of 49787133 is about 367.8796003615.

The spelling of 49787133 in words is "forty-nine million, seven hundred eighty-seven thousand, one hundred thirty-three".