49428625 has 8 divisors (see below), whose sum is σ = 61687080. Its totient is φ = 39542800.

The previous prime is 49428593. The next prime is 49428637. The reversal of 49428625 is 52682494.

It can be written as a sum of positive squares in 4 ways, for example, as 2547216 + 46881409 = 1596^2 + 6847^2 .

It is not a de Polignac number, because 49428625 - 2⁵ = 49428593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197590 + ... + 197839.

It is an arithmetic number, because the mean of its divisors is an integer number (7710885).

Almost surely, 2^49428625 is an apocalyptic number.

It is an amenable number.

49428625 is a deficient number, since it is larger than the sum of its proper divisors (12258455).

49428625 is an equidigital number, since it uses as much as digits as its factorization.

49428625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395444 (or 395434 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 49428625 is about 7030.5494095412. The cubic root of 49428625 is about 366.9944612310.

The spelling of 49428625 in words is "forty-nine million, four hundred twenty-eight thousand, six hundred twenty-five".