53110018 has 16 divisors (see below), whose sum is σ = 86236920. Its totient is φ = 24385536.

The previous prime is 53109983. The next prime is 53110019. The reversal of 53110018 is 81001135.

It can be written as a sum of positive squares in 4 ways, for example, as 39025009 + 14085009 = 6247^2 + 3753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53109977 and 53110004.

It is not an unprimeable number, because it can be changed into a prime (53110019) 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, 63 + ... + 10306.

Almost surely, 2^53110018 is an apocalyptic number.

53110018 is a deficient number, since it is larger than the sum of its proper divisors (33126902).

53110018 is a wasteful number, since it uses less digits than its factorization.

53110018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581.

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

The square root of 53110018 is about 7287.6620393649. The cubic root of 53110018 is about 375.8883071367. Note that the first 3 decimals are identical.

The spelling of 53110018 in words is "fifty-three million, one hundred ten thousand, eighteen".