53958172231 has 4 divisors (see below), whose sum is σ = 55698758464. Its totient is φ = 52217586000.

The previous prime is 53958172189. The next prime is 53958172243. The reversal of 53958172231 is 13227185935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53958172231 - 2²¹ = 53956075079 is a prime.

It is a super-2 number, since 2×53958172231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53958175231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870293070 + ... + 870293131.

It is an arithmetic number, because the mean of its divisors is an integer number (13924689616).

Almost surely, 2^53958172231 is an apocalyptic number.

53958172231 is a deficient number, since it is larger than the sum of its proper divisors (1740586233).

53958172231 is a wasteful number, since it uses less digits than its factorization.

53958172231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740586232.

The product of its digits is 453600, while the sum is 46.

The spelling of 53958172231 in words is "fifty-three billion, nine hundred fifty-eight million, one hundred seventy-two thousand, two hundred thirty-one".