81053110 has 16 divisors (see below), whose sum is σ = 154478016. Its totient is φ = 30514048.

The previous prime is 81053099. The next prime is 81053111. The reversal of 81053110 is 1135018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81053111) 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, 238222 + ... + 238561.

It is an arithmetic number, because the mean of its divisors is an integer number (9654876).

Almost surely, 2^81053110 is an apocalyptic number.

81053110 is a deficient number, since it is larger than the sum of its proper divisors (73424906).

81053110 is a wasteful number, since it uses less digits than its factorization.

81053110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476807.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 81053110 is about 9002.9500720597. The cubic root of 81053110 is about 432.7694157090.

Adding to 81053110 its reverse (1135018), we get a palindrome (82188128).

The spelling of 81053110 in words is "eighty-one million, fifty-three thousand, one hundred ten".