53245404 has 24 divisors (see below), whose sum is σ = 138043920. Its totient is φ = 17748432.

The previous prime is 53245403. The next prime is 53245427. The reversal of 53245404 is 40454235.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53245403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246399 + ... + 246614.

It is an arithmetic number, because the mean of its divisors is an integer number (5751830).

Almost surely, 2^53245404 is an apocalyptic number.

53245404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53245404 is an abundant number, since it is smaller than the sum of its proper divisors (84798516).

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

53245404 is a wasteful number, since it uses less digits than its factorization.

53245404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493026 (or 493018 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 53245404 is about 7296.9448401369. The cubic root of 53245404 is about 376.2074360890.

Adding to 53245404 its reverse (40454235), we get a palindrome (93699639).

The spelling of 53245404 in words is "fifty-three million, two hundred forty-five thousand, four hundred four".