53910018 has 12 divisors (see below), whose sum is σ = 116805078. Its totient is φ = 17970000.

The previous prime is 53910007. The next prime is 53910019. The reversal of 53910018 is 81001935.

It can be written as a sum of positive squares in only one way, i.e., 47238129 + 6671889 = 6873^2 + 2583^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53909973 and 53910000.

It is not an unprimeable number, because it can be changed into a prime (53910019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1497483 + ... + 1497518.

Almost surely, 2^53910018 is an apocalyptic number.

53910018 is an abundant number, since it is smaller than the sum of its proper divisors (62895060).

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

53910018 is a wasteful number, since it uses less digits than its factorization.

53910018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995009 (or 2995006 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 53910018 is about 7342.3441760789. The cubic root of 53910018 is about 377.7662534034.

The spelling of 53910018 in words is "fifty-three million, nine hundred ten thousand, eighteen".