53018604 has 24 divisors (see below), whose sum is σ = 137455920. Its totient is φ = 17672832.

The previous prime is 53018591. The next prime is 53018621. The reversal of 53018604 is 40681035.

53018604 is a `hidden beast` number, since 53 + 0 + 1 + 8 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245349 + ... + 245564.

It is an arithmetic number, because the mean of its divisors is an integer number (5727330).

Almost surely, 2^53018604 is an apocalyptic number.

53018604 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53018604 is an abundant number, since it is smaller than the sum of its proper divisors (84437316).

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

53018604 is a wasteful number, since it uses less digits than its factorization.

53018604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490926 (or 490918 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 53018604 is about 7281.3875051394. The cubic root of 53018604 is about 375.6725211863.

Adding to 53018604 its reverse (40681035), we get a palindrome (93699639).

The spelling of 53018604 in words is "fifty-three million, eighteen thousand, six hundred four".