49531135 has 4 divisors (see below), whose sum is σ = 59437368. Its totient is φ = 39624904.

The previous prime is 49531129. The next prime is 49531147. The reversal of 49531135 is 53113594.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53113594 = 2 ⋅26556797.

It is a cyclic number.

It is not a de Polignac number, because 49531135 - 2⁵ = 49531103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49531097 and 49531106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4953109 + ... + 4953118.

It is an arithmetic number, because the mean of its divisors is an integer number (14859342).

Almost surely, 2^49531135 is an apocalyptic number.

49531135 is a deficient number, since it is larger than the sum of its proper divisors (9906233).

49531135 is an equidigital number, since it uses as much as digits as its factorization.

49531135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906232.

The product of its digits is 8100, while the sum is 31.

The square root of 49531135 is about 7037.8359600093. The cubic root of 49531135 is about 367.2479892560.

The spelling of 49531135 in words is "forty-nine million, five hundred thirty-one thousand, one hundred thirty-five".