50378265509 has 16 divisors (see below), whose sum is σ = 61094874624. Its totient is φ = 40911739200.

The previous prime is 50378265481. The next prime is 50378265517. The reversal of 50378265509 is 90556287305.

It is a cyclic number.

It is not a de Polignac number, because 50378265509 - 2³² = 46083298213 is a prime.

It is a super-3 number, since 3×50378265509³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50378265109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5677754 + ... + 5686619.

It is an arithmetic number, because the mean of its divisors is an integer number (3818429664).

Almost surely, 2^50378265509 is an apocalyptic number.

It is an amenable number.

50378265509 is a deficient number, since it is larger than the sum of its proper divisors (10716609115).

50378265509 is a wasteful number, since it uses less digits than its factorization.

50378265509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364428.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 50378265509 in words is "fifty billion, three hundred seventy-eight million, two hundred sixty-five thousand, five hundred nine".