50055565 has 16 divisors (see below), whose sum is σ = 72686592. Its totient is φ = 32304384.

The previous prime is 50055559. The next prime is 50055571. The reversal of 50055565 is 56555005.

It is an interprime number because it is at equal distance from previous prime (50055559) and next prime (50055571).

It is not a de Polignac number, because 50055565 - 2⁷ = 50055437 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 41469 + ... + 42658.

It is an arithmetic number, because the mean of its divisors is an integer number (4542912).

Almost surely, 2^50055565 is an apocalyptic number.

It is an amenable number.

50055565 is a deficient number, since it is larger than the sum of its proper divisors (22631027).

50055565 is a wasteful number, since it uses less digits than its factorization.

50055565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84156.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 50055565 is about 7074.9957597160. The cubic root of 50055565 is about 368.5395681494.

It can be divided in two parts, 500 and 55565, that added together give a palindrome (56065).

The spelling of 50055565 in words is "fifty million, fifty-five thousand, five hundred sixty-five".