1085598552 has 16 divisors (see below), whose sum is σ = 2713996440. Its totient is φ = 361866176.

The previous prime is 1085598541. The next prime is 1085598581. The reversal of 1085598552 is 2558955801.

It is a super-2 number, since 2×1085598552² = 2357048432208993408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22616613 + ... + 22616660.

Almost surely, 2^1085598552 is an apocalyptic number.

1085598552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1085598552 is an abundant number, since it is smaller than the sum of its proper divisors (1628397888).

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

1085598552 is a wasteful number, since it uses less digits than its factorization.

1085598552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45233282 (or 45233278 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 48.

The square root of 1085598552 is about 32948.4226026072. The cubic root of 1085598552 is about 1027.7553632676.

The spelling of 1085598552 in words is "one billion, eighty-five million, five hundred ninety-eight thousand, five hundred fifty-two".