50780053 has 4 divisors (see below), whose sum is σ = 51229548. Its totient is φ = 50330560.

The previous prime is 50780029. The next prime is 50780083. The reversal of 50780053 is 35008705.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3541924 + 47238129 = 1882^2 + 6873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50780053 is a prime.

It is a super-2 number, since 2×50780053² = 5157227565365618, 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 (50780083) 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, 224578 + ... + 224803.

It is an arithmetic number, because the mean of its divisors is an integer number (12807387).

Almost surely, 2^50780053 is an apocalyptic number.

It is an amenable number.

50780053 is a deficient number, since it is larger than the sum of its proper divisors (449495).

50780053 is a wasteful number, since it uses less digits than its factorization.

50780053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449494.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 50780053 is about 7126.0124192987. The cubic root of 50780053 is about 370.3090989012.

Adding to 50780053 its reverse (35008705), we get a palindrome (85788758).

The spelling of 50780053 in words is "fifty million, seven hundred eighty thousand, fifty-three".