50378288273 has 8 divisors (see below), whose sum is σ = 51392313000. Its totient is φ = 49366615168.

The previous prime is 50378288249. The next prime is 50378288281. The reversal of 50378288273 is 37288287305.

It can be written as a sum of positive squares in 4 ways, for example, as 38156543569 + 12221744704 = 195337^2 + 110552^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50378288273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50378288203) 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, 544598 + ... + 630351.

It is an arithmetic number, because the mean of its divisors is an integer number (6424039125).

Almost surely, 2^50378288273 is an apocalyptic number.

50378288273 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

50378288273 is a deficient number, since it is larger than the sum of its proper divisors (1014024727).

50378288273 is a wasteful number, since it uses less digits than its factorization.

50378288273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175811.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 50378288273 in words is "fifty billion, three hundred seventy-eight million, two hundred eighty-eight thousand, two hundred seventy-three".