53604020 has 48 divisors (see below), whose sum is σ = 115610880. Its totient is φ = 20870784.

The previous prime is 53603993. The next prime is 53604113. The reversal of 53604020 is 2040635.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 53603983 and 53604001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145877 + ... + 146243.

It is an arithmetic number, because the mean of its divisors is an integer number (2408560).

Almost surely, 2^53604020 is an apocalyptic number.

It is an amenable number.

53604020 is an abundant number, since it is smaller than the sum of its proper divisors (62006860).

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

53604020 is a wasteful number, since it uses less digits than its factorization.

53604020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53604020 is about 7321.4766270200. The cubic root of 53604020 is about 377.0501519867.

Adding to 53604020 its reverse (2040635), we get a palindrome (55644655).

The spelling of 53604020 in words is "fifty-three million, six hundred four thousand, twenty".