53454566 has 32 divisors (see below), whose sum is σ = 90895392. Its totient is φ = 23362560.

The previous prime is 53454563. The next prime is 53454589. The reversal of 53454566 is 66545435.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53454563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78620 + ... + 79296.

It is an arithmetic number, because the mean of its divisors is an integer number (2840481).

Almost surely, 2^53454566 is an apocalyptic number.

53454566 is a deficient number, since it is larger than the sum of its proper divisors (37440826).

53454566 is a wasteful number, since it uses less digits than its factorization.

53454566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its digits is 216000, while the sum is 38.

The square root of 53454566 is about 7311.2629551945. The cubic root of 53454566 is about 376.6994064875.

The spelling of 53454566 in words is "fifty-three million, four hundred fifty-four thousand, five hundred sixty-six".