55125655 has 8 divisors (see below), whose sum is σ = 71239392. Its totient is φ = 40708128.

The previous prime is 55125619. The next prime is 55125659. The reversal of 55125655 is 55652155.

55125655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55125655 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55125655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125659) by changing a digit.

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, 423979 + ... + 424108.

It is an arithmetic number, because the mean of its divisors is an integer number (8904924).

Almost surely, 2^55125655 is an apocalyptic number.

55125655 is a deficient number, since it is larger than the sum of its proper divisors (16113737).

55125655 is a wasteful number, since it uses less digits than its factorization.

55125655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848105.

The product of its digits is 37500, while the sum is 34.

The square root of 55125655 is about 7424.6653123222. The cubic root of 55125655 is about 380.5846379189.

The spelling of 55125655 in words is "fifty-five million, one hundred twenty-five thousand, six hundred fifty-five".