50523157 has 4 divisors (see below), whose sum is σ = 52719840. Its totient is φ = 48326476.

The previous prime is 50523139. The next prime is 50523169. The reversal of 50523157 is 75132505.

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 50523157 - 2¹⁹ = 49998869 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 (50523127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098307 + ... + 1098352.

It is an arithmetic number, because the mean of its divisors is an integer number (13179960).

Almost surely, 2^50523157 is an apocalyptic number.

It is an amenable number.

50523157 is a deficient number, since it is larger than the sum of its proper divisors (2196683).

50523157 is a wasteful number, since it uses less digits than its factorization.

50523157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196682.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 50523157 is about 7107.9643358700. The cubic root of 50523157 is about 369.6835790017.

The spelling of 50523157 in words is "fifty million, five hundred twenty-three thousand, one hundred fifty-seven".