49999535971225 has 9 divisors (see below), whose sum is σ = 61999468444767. Its totient is φ = 39999600492840.

The previous prime is 49999535971193. The next prime is 49999535971237. The reversal of 49999535971225 is 52217953599994.

It is a happy number.

The square root of 49999535971225 is 7071035.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17999832949641 + 31999703021584 = 4242621^2 + 5656828^2 .

It is not a de Polignac number, because 49999535971225 - 2⁵ = 49999535971193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34648072 + ... + 36062278.

Almost surely, 2^{49999535971225} is an apocalyptic number.

49999535971225 is the 7071035-th square number.

49999535971225 is the 3535518-th centered octagonal number.

It is an amenable number.

49999535971225 is a deficient number, since it is larger than the sum of its proper divisors (11999932473542).

49999535971225 is an frugal number, since it uses more digits than its factorization.

49999535971225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828424 (or 1414212 counting only the distinct ones).

The product of its digits is 2480058000, while the sum is 79.

The spelling of 49999535971225 in words is "forty-nine trillion, nine hundred ninety-nine billion, five hundred thirty-five million, nine hundred seventy-one thousand, two hundred twenty-five".