1555473348 has 384 divisors, whose sum is σ = 5148057600. Its totient is φ = 399168000.

The previous prime is 1555473347. The next prime is 1555473373. The reversal of 1555473348 is 8433745551.

It is a happy number.

1555473348 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (1008000) is a multiple of the sum of its prime factors (240).

It is not an unprimeable number, because it can be changed into a prime (1555473341) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10301073 + ... + 10301223.

It is an arithmetic number, because the mean of its divisors is an integer number (13406400).

Almost surely, 2^1555473348 is an apocalyptic number.

1555473348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1555473348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2574028800).

1555473348 is an abundant number, since it is smaller than the sum of its proper divisors (3592584252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1555473348 is a wasteful number, since it uses less digits than its factorization.

1555473348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 232 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 1555473348 is about 39439.4897025811. The cubic root of 1555473348 is about 1158.6551368178.

The spelling of 1555473348 in words is "one billion, five hundred fifty-five million, four hundred seventy-three thousand, three hundred forty-eight".