49571505 has 24 divisors (see below), whose sum is σ = 87384960. Its totient is φ = 25988640.

The previous prime is 49571479. The next prime is 49571519. The reversal of 49571505 is 50517594.

It is not a de Polignac number, because 49571505 - 2¹⁰ = 49570481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49571505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6681 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (3641040).

Almost surely, 2^49571505 is an apocalyptic number.

49571505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49571505 is a deficient number, since it is larger than the sum of its proper divisors (37813455).

49571505 is a wasteful number, since it uses less digits than its factorization.

49571505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18741 (or 18738 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 49571505 is about 7040.7034449691. The cubic root of 49571505 is about 367.3477364505.

The spelling of 49571505 in words is "forty-nine million, five hundred seventy-one thousand, five hundred five".