49571523 has 12 divisors (see below), whose sum is σ = 71669520. Its totient is φ = 33017136.

The previous prime is 49571519. The next prime is 49571537. The reversal of 49571523 is 32517594.

It is not a de Polignac number, because 49571523 - 2² = 49571519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49570523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12265 + ... + 15797.

It is an arithmetic number, because the mean of its divisors is an integer number (5972460).

Almost surely, 2^49571523 is an apocalyptic number.

49571523 is a deficient number, since it is larger than the sum of its proper divisors (22097997).

49571523 is a wasteful number, since it uses less digits than its factorization.

49571523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5095 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 49571523 is about 7040.7047232504. The cubic root of 49571523 is about 367.3477809132.

The spelling of 49571523 in words is "forty-nine million, five hundred seventy-one thousand, five hundred twenty-three".