50100001 has 6 divisors (see below), whose sum is σ = 58279650. Its totient is φ = 42942816.

The previous prime is 50099993. The next prime is 50100007. The reversal of 50100001 is 10000105.

It can be written as a sum of positive squares in only one way, i.e., 46580625 + 3519376 = 6825^2 + 1876^2 .

It is not a de Polignac number, because 50100001 - 2³ = 50099993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50100007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511176 + ... + 511273.

It is an arithmetic number, because the mean of its divisors is an integer number (9713275).

Almost surely, 2^50100001 is an apocalyptic number.

It is an amenable number.

50100001 is a deficient number, since it is larger than the sum of its proper divisors (8179649).

50100001 is a wasteful number, since it uses less digits than its factorization.

50100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022463 (or 1022456 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 7.

The square root of 50100001 is about 7078.1354183146. The cubic root of 50100001 is about 368.6485908637.

Adding to 50100001 its reverse (10000105), we get a palindrome (60100106).

The spelling of 50100001 in words is "fifty million, one hundred thousand, one".