50126463521 has 4 divisors (see below), whose sum is σ = 50184548352. Its totient is φ = 50068378692.

The previous prime is 50126463503. The next prime is 50126463601. The reversal of 50126463521 is 12536462105.

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 a de Polignac number, because none of the positive numbers 2^k-50126463521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50126403521) 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, 29041121 + ... + 29042846.

It is an arithmetic number, because the mean of its divisors is an integer number (12546137088).

Almost surely, 2^50126463521 is an apocalyptic number.

It is an amenable number.

50126463521 is a deficient number, since it is larger than the sum of its proper divisors (58084831).

50126463521 is an equidigital number, since it uses as much as digits as its factorization.

50126463521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58084830.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 50126463521 in words is "fifty billion, one hundred twenty-six million, four hundred sixty-three thousand, five hundred twenty-one".