50251445540 has 24 divisors (see below), whose sum is σ = 105533115072. Its totient is φ = 20099610720.

The previous prime is 50251445521. The next prime is 50251445581. The reversal of 50251445540 is 4554415205.

It is a self number, because there is not a number n which added to its sum of digits gives 50251445540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485795 + ... + 580085.

It is an arithmetic number, because the mean of its divisors is an integer number (4397213128).

Almost surely, 2^50251445540 is an apocalyptic number.

It is an amenable number.

50251445540 is an abundant number, since it is smaller than the sum of its proper divisors (55281669532).

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

50251445540 is a wasteful number, since it uses less digits than its factorization.

50251445540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120947 (or 120945 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 50251445540 in words is "fifty billion, two hundred fifty-one million, four hundred forty-five thousand, five hundred forty".