1478918555 has 4 divisors (see below), whose sum is σ = 1774702272. Its totient is φ = 1183134840.

The previous prime is 1478918549. The next prime is 1478918557. The reversal of 1478918555 is 5558198741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5558198741 = 109 ⋅50992649.

It is not a de Polignac number, because 1478918555 - 2¹⁴ = 1478902171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1478918497 and 1478918506.

It is not an unprimeable number, because it can be changed into a prime (1478918557) 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 3 ways as a sum of consecutive naturals, for example, 147891851 + ... + 147891860.

It is an arithmetic number, because the mean of its divisors is an integer number (443675568).

Almost surely, 2^1478918555 is an apocalyptic number.

1478918555 is a deficient number, since it is larger than the sum of its proper divisors (295783717).

1478918555 is an equidigital number, since it uses as much as digits as its factorization.

1478918555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295783716.

The product of its digits is 2016000, while the sum is 53.

The square root of 1478918555 is about 38456.7101427046. The cubic root of 1478918555 is about 1139.3262036064.

The spelling of 1478918555 in words is "one billion, four hundred seventy-eight million, nine hundred eighteen thousand, five hundred fifty-five".