50481157 has 6 divisors (see below), whose sum is σ = 53278278. Its totient is φ = 47823912.

The previous prime is 50481121. The next prime is 50481161. The reversal of 50481157 is 75118405.

It can be written as a sum of positive squares in only one way, i.e., 39551521 + 10929636 = 6289^2 + 3306^2 .

It is not a de Polignac number, because 50481157 - 2⁷ = 50481029 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 (50481187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69558 + ... + 70279.

It is an arithmetic number, because the mean of its divisors is an integer number (8879713).

Almost surely, 2^50481157 is an apocalyptic number.

It is an amenable number.

50481157 is a deficient number, since it is larger than the sum of its proper divisors (2797121).

50481157 is a wasteful number, since it uses less digits than its factorization.

50481157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139875 (or 139856 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 50481157 is about 7105.0092892269. The cubic root of 50481157 is about 369.5811110398.

The spelling of 50481157 in words is "fifty million, four hundred eighty-one thousand, one hundred fifty-seven".