50445004521 has 8 divisors (see below), whose sum is σ = 67953408544. Its totient is φ = 33283301760.

The previous prime is 50445004501. The next prime is 50445004523. The reversal of 50445004521 is 12540054405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50445004521 - 2²⁹ = 49908133609 is a prime.

It is a super-2 number, since 2×50445004521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50445004523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86674975 + ... + 86675556.

It is an arithmetic number, because the mean of its divisors is an integer number (8494176068).

Almost surely, 2^50445004521 is an apocalyptic number.

It is an amenable number.

50445004521 is a deficient number, since it is larger than the sum of its proper divisors (17508404023).

50445004521 is a wasteful number, since it uses less digits than its factorization.

50445004521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173350631.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 50445004521 its reverse (12540054405), we get a palindrome (62985058926).

The spelling of 50445004521 in words is "fifty billion, four hundred forty-five million, four thousand, five hundred twenty-one".