49557725 has 24 divisors (see below), whose sum is σ = 71953728. Its totient is φ = 33148800.

The previous prime is 49557679. The next prime is 49557743. The reversal of 49557725 is 52775594.

It is not a de Polignac number, because 49557725 - 2¹⁰ = 49556701 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 3722 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (2998072).

Almost surely, 2^49557725 is an apocalyptic number.

It is an amenable number.

49557725 is a deficient number, since it is larger than the sum of its proper divisors (22396003).

49557725 is a wasteful number, since it uses less digits than its factorization.

49557725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965 (or 6960 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The square root of 49557725 is about 7039.7247815522. The cubic root of 49557725 is about 367.3136945754.

The spelling of 49557725 in words is "forty-nine million, five hundred fifty-seven thousand, seven hundred twenty-five".