50504401651 has 4 divisors (see below), whose sum is σ = 55095710904. Its totient is φ = 45913092400.

The previous prime is 50504401631. The next prime is 50504401663. The reversal of 50504401651 is 15610440505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50504401651 - 2¹⁹ = 50503877363 is a prime.

It is a super-2 number, since 2×50504401651² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50504401631) 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, 2295654610 + ... + 2295654631.

It is an arithmetic number, because the mean of its divisors is an integer number (13773927726).

Almost surely, 2^50504401651 is an apocalyptic number.

50504401651 is a deficient number, since it is larger than the sum of its proper divisors (4591309253).

50504401651 is a wasteful number, since it uses less digits than its factorization.

50504401651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591309252.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 50504401651 in words is "fifty billion, five hundred four million, four hundred one thousand, six hundred fifty-one".