50556257 has 16 divisors (see below), whose sum is σ = 53712384. Its totient is φ = 47520000.

The previous prime is 50556241. The next prime is 50556281. The reversal of 50556257 is 75265505.

It is a cyclic number.

It is not a de Polignac number, because 50556257 - 2⁴ = 50556241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50550257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209657 + ... + 209897.

It is an arithmetic number, because the mean of its divisors is an integer number (3357024).

Almost surely, 2^50556257 is an apocalyptic number.

It is an amenable number.

50556257 is a deficient number, since it is larger than the sum of its proper divisors (3156127).

50556257 is a wasteful number, since it uses less digits than its factorization.

50556257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 50556257 is about 7110.2923287302. The cubic root of 50556257 is about 369.7642935092.

The spelling of 50556257 in words is "fifty million, five hundred fifty-six thousand, two hundred fifty-seven".