50533157 has 4 divisors (see below), whose sum is σ = 51898956. Its totient is φ = 49167360.

The previous prime is 50533117. The next prime is 50533159. The reversal of 50533157 is 75133505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20349121 + 30184036 = 4511^2 + 5494^2 .

It is a cyclic number.

It is not a de Polignac number, because 50533157 - 2¹⁶ = 50467621 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 (50533159) 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, 682844 + ... + 682917.

It is an arithmetic number, because the mean of its divisors is an integer number (12974739).

Almost surely, 2^50533157 is an apocalyptic number.

It is an amenable number.

50533157 is a deficient number, since it is larger than the sum of its proper divisors (1365799).

50533157 is a wasteful number, since it uses less digits than its factorization.

50533157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365798.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 50533157 is about 7108.6677373471. The cubic root of 50533157 is about 369.7079677647.

The spelling of 50533157 in words is "fifty million, five hundred thirty-three thousand, one hundred fifty-seven".