53192581971 has 8 divisors (see below), whose sum is σ = 73211295744. Its totient is φ = 34317794760.

The previous prime is 53192581957. The next prime is 53192581979. The reversal of 53192581971 is 17918529135.

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

It is not a de Polignac number, because 53192581971 - 2¹³ = 53192573779 is a prime.

It is a super-3 number, since 3×53192581971³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53192581979) 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, 285981531 + ... + 285981716.

It is an arithmetic number, because the mean of its divisors is an integer number (9151411968).

Almost surely, 2^53192581971 is an apocalyptic number.

53192581971 is a deficient number, since it is larger than the sum of its proper divisors (20018713773).

53192581971 is a wasteful number, since it uses less digits than its factorization.

53192581971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571963281.

The product of its digits is 680400, while the sum is 51.

The spelling of 53192581971 in words is "fifty-three billion, one hundred ninety-two million, five hundred eighty-one thousand, nine hundred seventy-one".