500055000401 has 4 divisors (see below), whose sum is σ = 545514545904. Its totient is φ = 454595454900.

The previous prime is 500055000397. The next prime is 500055000409. The reversal of 500055000401 is 104000550005.

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 500055000401 - 2² = 500055000397 is a prime.

It is a super-2 number, since 2×500055000401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500055000409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22729772735 + ... + 22729772756.

It is an arithmetic number, because the mean of its divisors is an integer number (136378636476).

Almost surely, 2^500055000401 is an apocalyptic number.

It is an amenable number.

500055000401 is a deficient number, since it is larger than the sum of its proper divisors (45459545503).

500055000401 is a wasteful number, since it uses less digits than its factorization.

500055000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45459545502.

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 500055000401 its reverse (104000550005), we get a palindrome (604055550406).

The spelling of 500055000401 in words is "five hundred billion, fifty-five million, four hundred one", and thus it is an aban number.