50745857 has 8 divisors (see below), whose sum is σ = 51851880. Its totient is φ = 49645440.

The previous prime is 50745847. The next prime is 50745859. The reversal of 50745857 is 75854705.

It can be written as a sum of positive squares in 4 ways, for example, as 27552001 + 23193856 = 5249^2 + 4816^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50745857 - 2¹⁰ = 50744833 is a prime.

It is a super-3 number, since 3×50745857³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50745859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20507 + ... + 22847.

It is an arithmetic number, because the mean of its divisors is an integer number (6481485).

Almost surely, 2^50745857 is an apocalyptic number.

It is an amenable number.

50745857 is a deficient number, since it is larger than the sum of its proper divisors (1106023).

50745857 is a wasteful number, since it uses less digits than its factorization.

50745857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 50745857 is about 7123.6126368578. The cubic root of 50745857 is about 370.2259564547.

It can be divided in two parts, 507 and 45857, that added together give a palindrome (46364).

The spelling of 50745857 in words is "fifty million, seven hundred forty-five thousand, eight hundred fifty-seven".