53825805 has 24 divisors (see below), whose sum is σ = 101780640. Its totient is φ = 26097120.

The previous prime is 53825801. The next prime is 53825813. The reversal of 53825805 is 50852835.

It is not a de Polignac number, because 53825805 - 2² = 53825801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53825805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53825801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53875 + ... + 54864.

It is an arithmetic number, because the mean of its divisors is an integer number (4240860).

Almost surely, 2^53825805 is an apocalyptic number.

53825805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53825805 is a deficient number, since it is larger than the sum of its proper divisors (47954835).

53825805 is a wasteful number, since it uses less digits than its factorization.

53825805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108761 (or 108758 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 53825805 is about 7336.6071858864. The cubic root of 53825805 is about 377.5694476269.

The spelling of 53825805 in words is "fifty-three million, eight hundred twenty-five thousand, eight hundred five".