50545565 has 24 divisors (see below), whose sum is σ = 70541568. Its totient is φ = 34058880.

The previous prime is 50545553. The next prime is 50545591. The reversal of 50545565 is 56554505.

It is not a de Polignac number, because 50545565 - 2⁴ = 50545549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186380 + ... + 186650.

It is an arithmetic number, because the mean of its divisors is an integer number (2939232).

Almost surely, 2^50545565 is an apocalyptic number.

It is an amenable number.

50545565 is a deficient number, since it is larger than the sum of its proper divisors (19996003).

50545565 is an equidigital number, since it uses as much as digits as its factorization.

50545565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 50545565 is about 7109.5404211524. The cubic root of 50545565 is about 369.7382248693.

The spelling of 50545565 in words is "fifty million, five hundred forty-five thousand, five hundred sixty-five".