50523145501 has 4 divisors (see below), whose sum is σ = 50530703104. Its totient is φ = 50515587900.

The previous prime is 50523145493. The next prime is 50523145549. The reversal of 50523145501 is 10554132505.

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 50523145501 - 2³ = 50523145493 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 (50523145301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3768765 + ... + 3782146.

It is an arithmetic number, because the mean of its divisors is an integer number (12632675776).

Almost surely, 2^50523145501 is an apocalyptic number.

It is an amenable number.

50523145501 is a deficient number, since it is larger than the sum of its proper divisors (7557603).

50523145501 is an equidigital number, since it uses as much as digits as its factorization.

50523145501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557602.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 50523145501 in words is "fifty billion, five hundred twenty-three million, one hundred forty-five thousand, five hundred one".