55411625 has 8 divisors (see below), whose sum is σ = 69153864. Its totient is φ = 44329200.

The previous prime is 55411597. The next prime is 55411633. The reversal of 55411625 is 52611455.

It is a happy number.

55411625 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 4 ways, for example, as 7856809 + 47554816 = 2803^2 + 6896^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55411625 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 7 ways as a sum of consecutive naturals, for example, 221522 + ... + 221771.

It is an arithmetic number, because the mean of its divisors is an integer number (8644233).

Almost surely, 2^55411625 is an apocalyptic number.

It is an amenable number.

55411625 is a deficient number, since it is larger than the sum of its proper divisors (13742239).

55411625 is an equidigital number, since it uses as much as digits as its factorization.

55411625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443308 (or 443298 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 55411625 is about 7443.8985081743. The cubic root of 55411625 is about 381.2416104935.

The spelling of 55411625 in words is "fifty-five million, four hundred eleven thousand, six hundred twenty-five".