50012001 has 36 divisors (see below), whose sum is σ = 79135056. Its totient is φ = 30420000.

The previous prime is 50011993. The next prime is 50012003. The reversal of 50012001 is 10021005.

It is a happy number.

It is not a de Polignac number, because 50012001 - 2³ = 50011993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (50012003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 199126 + ... + 199376.

It is an arithmetic number, because the mean of its divisors is an integer number (2198196).

Almost surely, 2^50012001 is an apocalyptic number.

It is an amenable number.

50012001 is a deficient number, since it is larger than the sum of its proper divisors (29123055).

50012001 is a wasteful number, since it uses less digits than its factorization.

50012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 50012001 is about 7071.9163597995. The cubic root of 50012001 is about 368.4326222142.

Adding to 50012001 its reverse (10021005), we get a palindrome (60033006).

The spelling of 50012001 in words is "fifty million, twelve thousand, one".