50742319 has 4 divisors (see below), whose sum is σ = 52379200. Its totient is φ = 49105440.

The previous prime is 50742313. The next prime is 50742323. The reversal of 50742319 is 91324705.

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 50742319 - 2⁵ = 50742287 is a prime.

It is a super-2 number, since 2×50742319² = 5149565874995522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1636849 = 50742319 / (5 + 0 + 7 + 4 + 2 + 3 + 1 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50742313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818394 + ... + 818455.

It is an arithmetic number, because the mean of its divisors is an integer number (13094800).

Almost surely, 2^50742319 is an apocalyptic number.

50742319 is a deficient number, since it is larger than the sum of its proper divisors (1636881).

50742319 is a wasteful number, since it uses less digits than its factorization.

50742319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636880.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 50742319 is about 7123.3643034735. The cubic root of 50742319 is about 370.2173522063.

The spelling of 50742319 in words is "fifty million, seven hundred forty-two thousand, three hundred nineteen".