49551725 has 6 divisors (see below), whose sum is σ = 61444170. Its totient is φ = 39641360.

The previous prime is 49551721. The next prime is 49551737. The reversal of 49551725 is 52715594.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1471369 + 48080356 = 1213^2 + 6934^2 .

It is not a de Polignac number, because 49551725 - 2² = 49551721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49551721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 991010 + ... + 991059.

It is an arithmetic number, because the mean of its divisors is an integer number (10240695).

Almost surely, 2^49551725 is an apocalyptic number.

It is an amenable number.

49551725 is a deficient number, since it is larger than the sum of its proper divisors (11892445).

49551725 is a wasteful number, since it uses less digits than its factorization.

49551725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982079 (or 1982074 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 49551725 is about 7039.2986156293. The cubic root of 49551725 is about 367.2988703066.

The spelling of 49551725 in words is "forty-nine million, five hundred fifty-one thousand, seven hundred twenty-five".