50505457 has 8 divisors (see below), whose sum is σ = 50977152. Its totient is φ = 50036400.

The previous prime is 50505451. The next prime is 50505509. The reversal of 50505457 is 75450505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50505457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50505451) 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, 61107 + ... + 61927.

It is an arithmetic number, because the mean of its divisors is an integer number (6372144).

Almost surely, 2^50505457 is an apocalyptic number.

It is an amenable number.

50505457 is a deficient number, since it is larger than the sum of its proper divisors (471695).

50505457 is a wasteful number, since it uses less digits than its factorization.

50505457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 50505457 is about 7106.7191445842. The cubic root of 50505457 is about 369.6404030007.

The spelling of 50505457 in words is "fifty million, five hundred five thousand, four hundred fifty-seven".