50445403520 has 64 divisors (see below), whose sum is σ = 121394924640. Its totient is φ = 20044492800.

The previous prime is 50445403513. The next prime is 50445403531. The reversal of 50445403520 is 2530454405.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164357 + ... + 357636.

Almost surely, 2^50445403520 is an apocalyptic number.

It is an amenable number.

50445403520 is an abundant number, since it is smaller than the sum of its proper divisors (70949521120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50445403520 is a wasteful number, since it uses less digits than its factorization.

50445403520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522163 (or 522151 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 50445403520 its reverse (2530454405), we get a palindrome (52975857925).

The spelling of 50445403520 in words is "fifty billion, four hundred forty-five million, four hundred three thousand, five hundred twenty".