53000050053 has 4 divisors (see below), whose sum is σ = 70666733408. Its totient is φ = 35333366700.

The previous prime is 53000049997. The next prime is 53000050063. The reversal of 53000050053 is 35005000035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53000050053 - 2⁶ = 53000049989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53000050063) 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, 8833341673 + ... + 8833341678.

It is an arithmetic number, because the mean of its divisors is an integer number (17666683352).

Almost surely, 2^53000050053 is an apocalyptic number.

It is an amenable number.

53000050053 is a deficient number, since it is larger than the sum of its proper divisors (17666683355).

53000050053 is a wasteful number, since it uses less digits than its factorization.

53000050053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17666683354.

The product of its (nonzero) digits is 1125, while the sum is 21.

Adding to 53000050053 its reverse (35005000035), we get a palindrome (88005050088).

The spelling of 53000050053 in words is "fifty-three billion, fifty thousand, fifty-three".