53011517181830 has 32 divisors (see below), whose sum is σ = 97457463321984. Its totient is φ = 20752059897216.

The previous prime is 53011517181827. The next prime is 53011517181893. The reversal of 53011517181830 is 3818171511035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3299684 + ... + 10812536.

It is an arithmetic number, because the mean of its divisors is an integer number (3045545728812).

Almost surely, 2^{53011517181830} is an apocalyptic number.

53011517181830 is a deficient number, since it is larger than the sum of its proper divisors (44445946140154).

53011517181830 is a wasteful number, since it uses less digits than its factorization.

53011517181830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527920.

The product of its (nonzero) digits is 100800, while the sum is 44.

Adding to 53011517181830 its reverse (3818171511035), we get a palindrome (56829688692865).

The spelling of 53011517181830 in words is "fifty-three trillion, eleven billion, five hundred seventeen million, one hundred eighty-one thousand, eight hundred thirty".