53023999181 has 16 divisors (see below), whose sum is σ = 56107867200. Its totient is φ = 49970131200.

The previous prime is 53023999153. The next prime is 53023999207. The reversal of 53023999181 is 18199932035.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53023999181 - 2⁶ = 53023999117 is a prime.

It is a super-2 number, since 2×53023999181² (a number of 22 digits) 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 (53023999081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2890085 + ... + 2908373.

It is an arithmetic number, because the mean of its divisors is an integer number (3506741700).

Almost surely, 2^53023999181 is an apocalyptic number.

It is an amenable number.

53023999181 is a deficient number, since it is larger than the sum of its proper divisors (3083868019).

53023999181 is a wasteful number, since it uses less digits than its factorization.

53023999181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19100.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 53023999181 in words is "fifty-three billion, twenty-three million, nine hundred ninety-nine thousand, one hundred eighty-one".