50420355556487 has 4 divisors (see below), whose sum is σ = 57623263493136. Its totient is φ = 43217447619840.

The previous prime is 50420355556393. The next prime is 50420355556517. The reversal of 50420355556487 is 78465555302405.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50420355556487 - 2³⁴ = 50403175687303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50420355526487) 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, 3601453968314 + ... + 3601453968327.

It is an arithmetic number, because the mean of its divisors is an integer number (14405815873284).

Almost surely, 2^{50420355556487} is an apocalyptic number.

50420355556487 is a deficient number, since it is larger than the sum of its proper divisors (7202907936649).

50420355556487 is an equidigital number, since it uses as much as digits as its factorization.

50420355556487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202907936648.

The product of its (nonzero) digits is 100800000, while the sum is 59.

The spelling of 50420355556487 in words is "fifty trillion, four hundred twenty billion, three hundred fifty-five million, five hundred fifty-six thousand, four hundred eighty-seven".