49638511 has 12 divisors (see below), whose sum is σ = 53955720. Its totient is φ = 45645600.

The previous prime is 49638503. The next prime is 49638541. The reversal of 49638511 is 11583694.

It is not a de Polignac number, because 49638511 - 2³ = 49638503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49638541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70461 + ... + 71161.

It is an arithmetic number, because the mean of its divisors is an integer number (4496310).

Almost surely, 2^49638511 is an apocalyptic number.

49638511 is a deficient number, since it is larger than the sum of its proper divisors (4317209).

49638511 is a wasteful number, since it uses less digits than its factorization.

49638511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1133 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 49638511 is about 7045.4603114346. The cubic root of 49638511 is about 367.5131770616.

The spelling of 49638511 in words is "forty-nine million, six hundred thirty-eight thousand, five hundred eleven".