1548220655 has 8 divisors (see below), whose sum is σ = 1897394112. Its totient is φ = 1212223648.

The previous prime is 1548220649. The next prime is 1548220669. The reversal of 1548220655 is 5560228451.

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

It is a cyclic number.

It is not a de Polignac number, because 1548220655 - 2²⁰ = 1547172079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293852 + ... + 3294321.

It is an arithmetic number, because the mean of its divisors is an integer number (237174264).

Almost surely, 2^1548220655 is an apocalyptic number.

1548220655 is a deficient number, since it is larger than the sum of its proper divisors (349173457).

1548220655 is an equidigital number, since it uses as much as digits as its factorization.

1548220655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6588225.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 1548220655 is about 39347.4351768956. The cubic root of 1548220655 is about 1156.8515133476.

The spelling of 1548220655 in words is "one billion, five hundred forty-eight million, two hundred twenty thousand, six hundred fifty-five".