50648565 has 32 divisors (see below), whose sum is σ = 89424000. Its totient is φ = 24273920.

The previous prime is 50648561. The next prime is 50648573. The reversal of 50648565 is 56584605.

It is not a de Polignac number, because 50648565 - 2² = 50648561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50648561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12961 + ... + 16409.

It is an arithmetic number, because the mean of its divisors is an integer number (2794500).

Almost surely, 2^50648565 is an apocalyptic number.

50648565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50648565 is a deficient number, since it is larger than the sum of its proper divisors (38775435).

50648565 is a wasteful number, since it uses less digits than its factorization.

50648565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 50648565 is about 7116.7805221181. The cubic root of 50648565 is about 369.9892010483.

The spelling of 50648565 in words is "fifty million, six hundred forty-eight thousand, five hundred sixty-five".