49135751 has 16 divisors (see below), whose sum is σ = 59318784. Its totient is φ = 39789024.

The previous prime is 49135747. The next prime is 49135769. The reversal of 49135751 is 15753194.

49135751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 49135751 - 2² = 49135747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49134751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11525 + ... + 15201.

It is an arithmetic number, because the mean of its divisors is an integer number (3707424).

Almost surely, 2^49135751 is an apocalyptic number.

49135751 is a deficient number, since it is larger than the sum of its proper divisors (10183033).

49135751 is a wasteful number, since it uses less digits than its factorization.

49135751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790.

The product of its digits is 18900, while the sum is 35.

The square root of 49135751 is about 7009.6897934217. The cubic root of 49135751 is about 366.2681875828.

The spelling of 49135751 in words is "forty-nine million, one hundred thirty-five thousand, seven hundred fifty-one".