418968553 has 8 divisors (see below), whose sum is σ = 445555080. Its totient is φ = 392597760.

The previous prime is 418968547. The next prime is 418968559. The reversal of 418968553 is 355869814.

It is an interprime number because it is at equal distance from previous prime (418968547) and next prime (418968559).

It can be written as a sum of positive squares in 4 ways, for example, as 256864729 + 162103824 = 16027^2 + 12732^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 418968553 - 2¹⁷ = 418837481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 418968497 and 418968506.

It is not an unprimeable number, because it can be changed into a prime (418968559) 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, 49918 + ... + 57703.

It is an arithmetic number, because the mean of its divisors is an integer number (55694385).

Almost surely, 2^418968553 is an apocalyptic number.

It is an amenable number.

418968553 is a deficient number, since it is larger than the sum of its proper divisors (26586527).

418968553 is a wasteful number, since it uses less digits than its factorization.

418968553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107867.

The product of its digits is 1036800, while the sum is 49.

The square root of 418968553 is about 20468.7213328044. The cubic root of 418968553 is about 748.2736905600.

The spelling of 418968553 in words is "four hundred eighteen million, nine hundred sixty-eight thousand, five hundred fifty-three".