50730511 has 4 divisors (see below), whose sum is σ = 54632872. Its totient is φ = 46828152.

The previous prime is 50730509. The next prime is 50730517. The reversal of 50730511 is 11503705.

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 50730511 - 2¹ = 50730509 is a prime.

It is a super-2 number, since 2×50730511² = 5147169492642242, which contains 22 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 (50730517) 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, 1951161 + ... + 1951186.

It is an arithmetic number, because the mean of its divisors is an integer number (13658218).

Almost surely, 2^50730511 is an apocalyptic number.

50730511 is a deficient number, since it is larger than the sum of its proper divisors (3902361).

50730511 is a wasteful number, since it uses less digits than its factorization.

50730511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902360.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 50730511 is about 7122.5354333973. The cubic root of 50730511 is about 370.1886328144.

The spelling of 50730511 in words is "fifty million, seven hundred thirty thousand, five hundred eleven".