53130018 has 8 divisors (see below), whose sum is σ = 106260048. Its totient is φ = 17710004.

The previous prime is 53129971. The next prime is 53130019. The reversal of 53130018 is 81003135.

It is a happy number.

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

53130018 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 53129976 and 53130003.

It is not an unprimeable number, because it can be changed into a prime (53130019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4427496 + ... + 4427507.

It is an arithmetic number, because the mean of its divisors is an integer number (13282506).

Almost surely, 2^53130018 is an apocalyptic number.

53130018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53130018 is a wasteful number, since it uses less digits than its factorization.

53130018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855008.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 53130018 is about 7289.0340923884. The cubic root of 53130018 is about 375.9354848190.

The spelling of 53130018 in words is "fifty-three million, one hundred thirty thousand, eighteen".