1855087552 has 56 divisors (see below), whose sum is σ = 3735324000. Its totient is φ = 914006016.

The previous prime is 1855087547. The next prime is 1855087567. The reversal of 1855087552 is 2557805581.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 1438524 + ... + 1439812.

Almost surely, 2^1855087552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1855087552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867662000).

1855087552 is an abundant number, since it is smaller than the sum of its proper divisors (1880236448).

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

1855087552 is a wasteful number, since it uses less digits than its factorization.

1855087552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 46.

The square root of 1855087552 is about 43070.7273214651. The cubic root of 1855087552 is about 1228.7253086608.

The spelling of 1855087552 in words is "one billion, eight hundred fifty-five million, eighty-seven thousand, five hundred fifty-two".