53000050530 has 32 divisors (see below), whose sum is σ = 145371567744. Its totient is φ = 12114297216.

The previous prime is 53000050511. The next prime is 53000050531. The reversal of 53000050530 is 3505000035.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53000050497 and 53000050506.

It is not an unprimeable number, because it can be changed into a prime (53000050531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126190387 + ... + 126190806.

It is an arithmetic number, because the mean of its divisors is an integer number (4542861492).

Almost surely, 2^53000050530 is an apocalyptic number.

53000050530 is an abundant number, since it is smaller than the sum of its proper divisors (92371517214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53000050530 is a wasteful number, since it uses less digits than its factorization.

53000050530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252381210.

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

Adding to 53000050530 its reverse (3505000035), we get a palindrome (56505050565).

The spelling of 53000050530 in words is "fifty-three billion, fifty thousand, five hundred thirty".