1555051152 has 80 divisors (see below), whose sum is σ = 4085040128. Its totient is φ = 509673600.

The previous prime is 1555051123. The next prime is 1555051187. The reversal of 1555051152 is 2511505551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745503 + ... + 747585.

Almost surely, 2^1555051152 is an apocalyptic number.

1555051152 is a gapful number since it is divisible by the number (12) 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 1555051152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042520064).

1555051152 is an abundant number, since it is smaller than the sum of its proper divisors (2529988976).

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

1555051152 is a wasteful number, since it uses less digits than its factorization.

1555051152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 30.

The square root of 1555051152 is about 39434.1368867128. The cubic root of 1555051152 is about 1158.5502975995.

The spelling of 1555051152 in words is "one billion, five hundred fifty-five million, fifty-one thousand, one hundred fifty-two".