50370920557 has 4 divisors (see below), whose sum is σ = 50434925056. Its totient is φ = 50306916060.

The previous prime is 50370920549. The next prime is 50370920581. The reversal of 50370920557 is 75502907305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50370920557 - 2³ = 50370920549 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 (50370920597) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32001069 + ... + 32002642.

It is an arithmetic number, because the mean of its divisors is an integer number (12608731264).

Almost surely, 2^50370920557 is an apocalyptic number.

It is an amenable number.

50370920557 is a deficient number, since it is larger than the sum of its proper divisors (64004499).

50370920557 is an equidigital number, since it uses as much as digits as its factorization.

50370920557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64004498.

The product of its (nonzero) digits is 330750, while the sum is 43.

The spelling of 50370920557 in words is "fifty billion, three hundred seventy million, nine hundred twenty thousand, five hundred fifty-seven".