50432445515 has 4 divisors (see below), whose sum is σ = 60518934624. Its totient is φ = 40345956408.

The previous prime is 50432445509. The next prime is 50432445517. The reversal of 50432445515 is 51554423405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50432445515 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50432445517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043244547 + ... + 5043244556.

It is an arithmetic number, because the mean of its divisors is an integer number (15129733656).

Almost surely, 2^50432445515 is an apocalyptic number.

50432445515 is a deficient number, since it is larger than the sum of its proper divisors (10086489109).

50432445515 is a wasteful number, since it uses less digits than its factorization.

50432445515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086489108.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 50432445515 in words is "fifty billion, four hundred thirty-two million, four hundred forty-five thousand, five hundred fifteen".