50787563 has 4 divisors (see below), whose sum is σ = 51620208. Its totient is φ = 49954920.

The previous prime is 50787533. The next prime is 50787571. The reversal of 50787563 is 36578705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50787563 - 2¹⁰ = 50786539 is a prime.

It is a super-3 number, since 3×50787563³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50787563.

It is not an unprimeable number, because it can be changed into a prime (50787523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416231 + ... + 416352.

It is an arithmetic number, because the mean of its divisors is an integer number (12905052).

Almost surely, 2^50787563 is an apocalyptic number.

50787563 is a deficient number, since it is larger than the sum of its proper divisors (832645).

50787563 is an equidigital number, since it uses as much as digits as its factorization.

50787563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832644.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 50787563 is about 7126.5393424859. The cubic root of 50787563 is about 370.3273533409.

The spelling of 50787563 in words is "fifty million, seven hundred eighty-seven thousand, five hundred sixty-three".