53563117 has 4 divisors (see below), whose sum is σ = 53722396. Its totient is φ = 53403840.

The previous prime is 53563099. The next prime is 53563123. The reversal of 53563117 is 71136535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71136535 = 5 ⋅14227307.

It can be written as a sum of positive squares in 2 ways, for example, as 34035556 + 19527561 = 5834^2 + 4419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53563117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53563177) 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, 79134 + ... + 79807.

It is an arithmetic number, because the mean of its divisors is an integer number (13430599).

Almost surely, 2^53563117 is an apocalyptic number.

It is an amenable number.

53563117 is a deficient number, since it is larger than the sum of its proper divisors (159279).

53563117 is a wasteful number, since it uses less digits than its factorization.

53563117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159278.

The product of its digits is 9450, while the sum is 31.

The square root of 53563117 is about 7318.6827366678. The cubic root of 53563117 is about 376.9542238158.

The spelling of 53563117 in words is "fifty-three million, five hundred sixty-three thousand, one hundred seventeen".