49647725 has 12 divisors (see below), whose sum is σ = 61672020. Its totient is φ = 39648000.

The previous prime is 49647707. The next prime is 49647749. The reversal of 49647725 is 52774694.

It can be written as a sum of positive squares in 6 ways, for example, as 5597956 + 44049769 = 2366^2 + 6637^2 .

It is not a de Polignac number, because 49647725 - 2²⁰ = 48599149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16325 + ... + 19125.

It is an arithmetic number, because the mean of its divisors is an integer number (5139335).

Almost surely, 2^49647725 is an apocalyptic number.

It is an amenable number.

49647725 is a deficient number, since it is larger than the sum of its proper divisors (12024295).

49647725 is a wasteful number, since it uses less digits than its factorization.

49647725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520 (or 3515 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 49647725 is about 7046.1141773321. The cubic root of 49647725 is about 367.5359151658.

The spelling of 49647725 in words is "forty-nine million, six hundred forty-seven thousand, seven hundred twenty-five".