53424018 has 12 divisors (see below), whose sum is σ = 115752078. Its totient is φ = 17808000.

The previous prime is 53423999. The next prime is 53424023. The reversal of 53424018 is 81042435.

It can be written as a sum of positive squares in only one way, i.e., 43520409 + 9903609 = 6597^2 + 3147^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53423982 and 53424000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1483983 + ... + 1484018.

Almost surely, 2^53424018 is an apocalyptic number.

53424018 is an abundant number, since it is smaller than the sum of its proper divisors (62328060).

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

53424018 is a wasteful number, since it uses less digits than its factorization.

53424018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968009 (or 2968006 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 53424018 is about 7309.1735510932. The cubic root of 53424018 is about 376.6276345942.

The spelling of 53424018 in words is "fifty-three million, four hundred twenty-four thousand, eighteen".