50021035631 has 8 divisors (see below), whose sum is σ = 57211465344. Its totient is φ = 42841747800.

The previous prime is 50021035621. The next prime is 50021035633. The reversal of 50021035631 is 13653012005.

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

It is a cyclic number.

It is not a de Polignac number, because 50021035631 - 2⁶ = 50021035567 is a prime.

It is a super-2 number, since 2×50021035631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50021035631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021035633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2775845 + ... + 2793806.

It is an arithmetic number, because the mean of its divisors is an integer number (7151433168).

Almost surely, 2^50021035631 is an apocalyptic number.

50021035631 is a deficient number, since it is larger than the sum of its proper divisors (7190429713).

50021035631 is a wasteful number, since it uses less digits than its factorization.

50021035631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570941.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 50021035631 its reverse (13653012005), we get a palindrome (63674047636).

The spelling of 50021035631 in words is "fifty billion, twenty-one million, thirty-five thousand, six hundred thirty-one".