53742163172 has 24 divisors (see below), whose sum is σ = 100097055576. Its totient is φ = 25159385088.

The previous prime is 53742163171. The next prime is 53742163183. The reversal of 53742163172 is 27136124735.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19939134436 + 33803028736 = 141206^2 + 183856^2 .

It is not an unprimeable number, because it can be changed into a prime (53742163171) 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, 2034353 + ... + 2060600.

It is an arithmetic number, because the mean of its divisors is an integer number (4170710649).

Almost surely, 2^53742163172 is an apocalyptic number.

It is an amenable number.

53742163172 is a deficient number, since it is larger than the sum of its proper divisors (46354892404).

53742163172 is a wasteful number, since it uses less digits than its factorization.

53742163172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095167 (or 4095165 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The spelling of 53742163172 in words is "fifty-three billion, seven hundred forty-two million, one hundred sixty-three thousand, one hundred seventy-two".