1555064046 has 48 divisors (see below), whose sum is σ = 3464916000. Its totient is φ = 503682624.

The previous prime is 1555064041. The next prime is 1555064053. The reversal of 1555064046 is 6404605551.

1555064046 is a `hidden beast` number, since 1 + 5 + 5 + 5 + 0 + 640 + 4 + 6 = 666.

1555064046 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1555064046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555064041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930900 + ... + 932568.

It is an arithmetic number, because the mean of its divisors is an integer number (72185750).

Almost surely, 2^1555064046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1555064046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732458000).

1555064046 is an abundant number, since it is smaller than the sum of its proper divisors (1909851954).

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

1555064046 is a wasteful number, since it uses less digits than its factorization.

1555064046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3110 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 1555064046 is about 39434.3003741667. The cubic root of 1555064046 is about 1158.5534997035.

Adding to 1555064046 its reverse (6404605551), we get a palindrome (7959669597).

The spelling of 1555064046 in words is "one billion, five hundred fifty-five million, sixty-four thousand, forty-six".