55379825 has 6 divisors (see below), whose sum is σ = 68671014. Its totient is φ = 44303840.

The previous prime is 55379809. The next prime is 55379839. The reversal of 55379825 is 52897355.

55379825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1151329 + 54228496 = 1073^2 + 7364^2 .

It is not a de Polignac number, because 55379825 - 2⁴ = 55379809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1107572 + ... + 1107621.

It is an arithmetic number, because the mean of its divisors is an integer number (11445169).

Almost surely, 2^55379825 is an apocalyptic number.

It is an amenable number.

55379825 is a deficient number, since it is larger than the sum of its proper divisors (13291189).

55379825 is a wasteful number, since it uses less digits than its factorization.

55379825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215203 (or 2215198 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 55379825 is about 7441.7622240972. The cubic root of 55379825 is about 381.1686666956.

The spelling of 55379825 in words is "fifty-five million, three hundred seventy-nine thousand, eight hundred twenty-five".