50905898481 has 16 divisors (see below), whose sum is σ = 69353662464. Its totient is φ = 33198429264.

The previous prime is 50905898423. The next prime is 50905898509. The reversal of 50905898481 is 18489850905.

It is not a de Polignac number, because 50905898481 - 2²⁷ = 50771680753 is a prime.

It is a super-2 number, since 2×50905898481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50905898881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192300 + ... + 372546.

It is an arithmetic number, because the mean of its divisors is an integer number (4334603904).

Almost surely, 2^50905898481 is an apocalyptic number.

It is an amenable number.

50905898481 is a deficient number, since it is larger than the sum of its proper divisors (18447763983).

50905898481 is a wasteful number, since it uses less digits than its factorization.

50905898481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182300.

The product of its (nonzero) digits is 4147200, while the sum is 57.

The spelling of 50905898481 in words is "fifty billion, nine hundred five million, eight hundred ninety-eight thousand, four hundred eighty-one".