50988865 has 8 divisors (see below), whose sum is σ = 64785960. Its totient is φ = 38391552.

The previous prime is 50988859. The next prime is 50988869. The reversal of 50988865 is 56888905.

It can be written as a sum of positive squares in 4 ways, for example, as 14107536 + 36881329 = 3756^2 + 6073^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50988865 - 2¹⁵ = 50956097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50988869) 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, 299850 + ... + 300019.

It is an arithmetic number, because the mean of its divisors is an integer number (8098245).

Almost surely, 2^50988865 is an apocalyptic number.

It is an amenable number.

50988865 is a deficient number, since it is larger than the sum of its proper divisors (13797095).

50988865 is a wasteful number, since it uses less digits than its factorization.

50988865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599891.

The product of its (nonzero) digits is 691200, while the sum is 49.

The square root of 50988865 is about 7140.6487800479. The cubic root of 50988865 is about 370.8159858344.

The spelling of 50988865 in words is "fifty million, nine hundred eighty-eight thousand, eight hundred sixty-five".