50451563544 has 32 divisors (see below), whose sum is σ = 133548257520. Its totient is φ = 15827941376.

The previous prime is 50451563507. The next prime is 50451563567. The reversal of 50451563544 is 44536515405.

50451563544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50451563496 and 50451563505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61827489 + ... + 61828304.

Almost surely, 2^50451563544 is an apocalyptic number.

It is an amenable number.

50451563544 is an abundant number, since it is smaller than the sum of its proper divisors (83096693976).

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

50451563544 is a wasteful number, since it uses less digits than its factorization.

50451563544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123655819 (or 123655815 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 50451563544 in words is "fifty billion, four hundred fifty-one million, five hundred sixty-three thousand, five hundred forty-four".