50101001 has 2 divisors, whose sum is σ = 50101002. Its totient is φ = 50101000.

The previous prime is 50100983. The next prime is 50101049. The reversal of 50101001 is 10010105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49716601 + 384400 = 7051^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 50101001 - 2¹⁰ = 50099977 is a prime.

It is a super-2 number, since 2×50101001² = 5020220602404002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50101001.

It is not a weakly prime, because it can be changed into another prime (50101501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25050500 + 25050501.

It is an arithmetic number, because the mean of its divisors is an integer number (25050501).

Almost surely, 2^50101001 is an apocalyptic number.

It is an amenable number.

50101001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50101001 is an equidigital number, since it uses as much as digits as its factorization.

50101001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 50101001 is about 7078.2060580348. The cubic root of 50101001 is about 368.6510435991.

Adding to 50101001 its reverse (10010105), we get a palindrome (60111106).

The spelling of 50101001 in words is "fifty million, one hundred one thousand, one".