53661110 has 16 divisors (see below), whose sum is σ = 96757200. Its totient is φ = 21427296.

The previous prime is 53661109. The next prime is 53661133. The reversal of 53661110 is 1116635.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856 + ... + 10524.

It is an arithmetic number, because the mean of its divisors is an integer number (6047325).

Almost surely, 2^53661110 is an apocalyptic number.

53661110 is a deficient number, since it is larger than the sum of its proper divisors (43096090).

53661110 is a wasteful number, since it uses less digits than its factorization.

53661110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 53661110 is about 7325.3743931624. The cubic root of 53661110 is about 377.1839613279.

Adding to 53661110 its reverse (1116635), we get a palindrome (54777745).

The spelling of 53661110 in words is "fifty-three million, six hundred sixty-one thousand, one hundred ten".