49081523 has 4 divisors (see below), whose sum is σ = 49095648. Its totient is φ = 49067400.

The previous prime is 49081511. The next prime is 49081531. The reversal of 49081523 is 32518094.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49081523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49081523.

It is not an unprimeable number, because it can be changed into a prime (49081553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198 + ... + 10148.

It is an arithmetic number, because the mean of its divisors is an integer number (12273912).

Almost surely, 2^49081523 is an apocalyptic number.

49081523 is a deficient number, since it is larger than the sum of its proper divisors (14125).

49081523 is an equidigital number, since it uses as much as digits as its factorization.

49081523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14124.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 49081523 is about 7005.8206514298. The cubic root of 49081523 is about 366.1333956905.

The spelling of 49081523 in words is "forty-nine million, eighty-one thousand, five hundred twenty-three".