56717172153 has 12 divisors (see below), whose sum is σ = 84749797860. Its totient is φ = 36507604896.

The previous prime is 56717172143. The next prime is 56717172157. The reversal of 56717172153 is 35127171765.

56717172153 is a `hidden beast` number, since 567 + 1 + 7 + 1 + 72 + 15 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27472068009 + 29245104144 = 165747^2 + 171012^2 .

It is not a de Polignac number, because 56717172153 - 2¹⁴ = 56717155769 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56717172099 and 56717172108.

It is not an unprimeable number, because it can be changed into a prime (56717172157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108653326 + ... + 108653847.

It is an arithmetic number, because the mean of its divisors is an integer number (7062483155).

Almost surely, 2^56717172153 is an apocalyptic number.

It is an amenable number.

56717172153 is a deficient number, since it is larger than the sum of its proper divisors (28032625707).

56717172153 is a wasteful number, since it uses less digits than its factorization.

56717172153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217307208 (or 217307205 counting only the distinct ones).

The product of its digits is 308700, while the sum is 45.

The spelling of 56717172153 in words is "fifty-six billion, seven hundred seventeen million, one hundred seventy-two thousand, one hundred fifty-three".