49140625 has 32 divisors (see below), whose sum is σ = 66796704. Its totient is φ = 36000000.

The previous prime is 49140617. The next prime is 49140643. The reversal of 49140625 is 52604194.

It can be written as a sum of positive squares in 16 ways, for example, as 37258816 + 11881809 = 6104^2 + 3447^2 .

It is not a de Polignac number, because 49140625 - 2³ = 49140617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1328107 + ... + 1328143.

It is an arithmetic number, because the mean of its divisors is an integer number (2087397).

Almost surely, 2^49140625 is an apocalyptic number.

It is an amenable number.

49140625 is a deficient number, since it is larger than the sum of its proper divisors (17656079).

49140625 is an frugal number, since it uses more digits than its factorization.

49140625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 49140625 is about 7010.0374464050. The cubic root of 49140625 is about 366.2802977883.

It can be divided in two parts, 49 and 140625, that multiplied together give a square (6890625 = 2625²).

The spelling of 49140625 in words is "forty-nine million, one hundred forty thousand, six hundred twenty-five".