49690625 has 12 divisors (see below), whose sum is σ = 62113212. Its totient is φ = 39750000.

The previous prime is 49690621. The next prime is 49690631. The reversal of 49690625 is 52609694.

It can be written as a sum of positive squares in 6 ways, for example, as 24930049 + 24760576 = 4993^2 + 4976^2 .

It is not a de Polignac number, because 49690625 - 2² = 49690621 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49690621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4826 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (5176101).

Almost surely, 2^49690625 is an apocalyptic number.

It is an amenable number.

49690625 is a deficient number, since it is larger than the sum of its proper divisors (12422587).

49690625 is an frugal number, since it uses more digits than its factorization.

49690625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15926 (or 15906 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 49690625 is about 7049.1577511076. The cubic root of 49690625 is about 367.6417458056.

The spelling of 49690625 in words is "forty-nine million, six hundred ninety thousand, six hundred twenty-five".