53640143031 has 8 divisors (see below), whose sum is σ = 71521294320. Its totient is φ = 35759543552.

The previous prime is 53640143021. The next prime is 53640143047. The reversal of 53640143031 is 13034104635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53640143031 - 2¹³ = 53640134839 is a prime.

It is a super-2 number, since 2×53640143031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53640143031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53640143021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226165 + ... + 398033.

It is an arithmetic number, because the mean of its divisors is an integer number (8940161790).

Almost surely, 2^53640143031 is an apocalyptic number.

53640143031 is a deficient number, since it is larger than the sum of its proper divisors (17881151289).

53640143031 is a wasteful number, since it uses less digits than its factorization.

53640143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275905.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 53640143031 its reverse (13034104635), we get a palindrome (66674247666).

The spelling of 53640143031 in words is "fifty-three billion, six hundred forty million, one hundred forty-three thousand, thirty-one".