50512501 has 4 divisors (see below), whose sum is σ = 54398092. Its totient is φ = 46626912.

The previous prime is 50512493. The next prime is 50512529. The reversal of 50512501 is 10521505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25010001 + 25502500 = 5001^2 + 5050^2 .

It is a cyclic number.

It is not a de Polignac number, because 50512501 - 2³ = 50512493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50512541) 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 3 ways as a sum of consecutive naturals, for example, 1942776 + ... + 1942801.

It is an arithmetic number, because the mean of its divisors is an integer number (13599523).

Almost surely, 2^50512501 is an apocalyptic number.

It is an amenable number.

50512501 is a deficient number, since it is larger than the sum of its proper divisors (3885591).

50512501 is a wasteful number, since it uses less digits than its factorization.

50512501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885590.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 50512501 is about 7107.2147146403. The cubic root of 50512501 is about 369.6575867938.

The spelling of 50512501 in words is "fifty million, five hundred twelve thousand, five hundred one".