50515001 has 4 divisors (see below), whose sum is σ = 50612112. Its totient is φ = 50417892.

The previous prime is 50514983. The next prime is 50515037. The reversal of 50515001 is 10051505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50515001 - 2²² = 46320697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50515081) 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, 47771 + ... + 48816.

It is an arithmetic number, because the mean of its divisors is an integer number (12653028).

Almost surely, 2^50515001 is an apocalyptic number.

It is an amenable number.

50515001 is a deficient number, since it is larger than the sum of its proper divisors (97111).

50515001 is an equidigital number, since it uses as much as digits as its factorization.

50515001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97110.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 50515001 is about 7107.3905900830. The cubic root of 50515001 is about 369.6636851437.

Adding to 50515001 its reverse (10051505), we get a palindrome (60566506).

The spelling of 50515001 in words is "fifty million, five hundred fifteen thousand, one".