55704825 has 72 divisors (see below), whose sum is σ = 110725056. Its totient is φ = 26544000.

The previous prime is 55704787. The next prime is 55704829. The reversal of 55704825 is 52840755.

It is a happy number.

55704825 is a `hidden beast` number, since 5 + 570 + 4 + 82 + 5 = 666.

It is not a de Polignac number, because 55704825 - 2¹³ = 55696633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55704825.

It is not an unprimeable number, because it can be changed into a prime (55704829) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 175567 + ... + 175883.

It is an arithmetic number, because the mean of its divisors is an integer number (1537848).

Almost surely, 2^55704825 is an apocalyptic number.

55704825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55704825 is a deficient number, since it is larger than the sum of its proper divisors (55020231).

55704825 is a wasteful number, since it uses less digits than its factorization.

55704825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 55704825 is about 7463.5665067044. The cubic root of 55704825 is about 381.9128502890.

The spelling of 55704825 in words is "fifty-five million, seven hundred four thousand, eight hundred twenty-five".