357227163553 has 4 divisors (see below), whose sum is σ = 384706176148. Its totient is φ = 329748150960.

The previous prime is 357227163529. The next prime is 357227163563. The reversal of 357227163553 is 355361722753.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355361722753 = 235919 ⋅1506287.

It can be written as a sum of positive squares in 2 ways, for example, as 223130582689 + 134096580864 = 472367^2 + 366192^2 .

It is a cyclic number.

It is not a de Polignac number, because 357227163553 - 2²⁵ = 357193609121 is a prime.

It is a super-2 number, since 2×357227163553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 357227163497 and 357227163506.

It is not an unprimeable number, because it can be changed into a prime (357227163523) 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, 13739506278 + ... + 13739506303.

It is an arithmetic number, because the mean of its divisors is an integer number (96176544037).

Almost surely, 2^357227163553 is an apocalyptic number.

It is an amenable number.

357227163553 is a deficient number, since it is larger than the sum of its proper divisors (27479012595).

357227163553 is a wasteful number, since it uses less digits than its factorization.

357227163553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27479012594.

The product of its digits is 3969000, while the sum is 49.

The spelling of 357227163553 in words is "three hundred fifty-seven billion, two hundred twenty-seven million, one hundred sixty-three thousand, five hundred fifty-three".