49431125 has 8 divisors (see below), whose sum is σ = 61690200. Its totient is φ = 39544800.

The previous prime is 49431119. The next prime is 49431127. The reversal of 49431125 is 52113494.

It can be written as a sum of positive squares in 4 ways, for example, as 2289169 + 47141956 = 1513^2 + 6866^2 .

It is not a de Polignac number, because 49431125 - 2⁶ = 49431061 is a prime.

It is a super-2 number, since 2×49431125² = 4886872237531250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49431127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197600 + ... + 197849.

It is an arithmetic number, because the mean of its divisors is an integer number (7711275).

Almost surely, 2^49431125 is an apocalyptic number.

It is an amenable number.

49431125 is a deficient number, since it is larger than the sum of its proper divisors (12259075).

49431125 is an equidigital number, since it uses as much as digits as its factorization.

49431125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395464 (or 395454 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 49431125 is about 7030.7272027864. The cubic root of 49431125 is about 367.0006484062. Note that the first 3 decimals are identical.

The spelling of 49431125 in words is "forty-nine million, four hundred thirty-one thousand, one hundred twenty-five".