1085545554 has 16 divisors (see below), whose sum is σ = 2201670720. Its totient is φ = 356751920.

The previous prime is 1085545541. The next prime is 1085545579. The reversal of 1085545554 is 4555455801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273689 + ... + 1274540.

It is an arithmetic number, because the mean of its divisors is an integer number (137604420).

Almost surely, 2^1085545554 is an apocalyptic number.

1085545554 is an abundant number, since it is smaller than the sum of its proper divisors (1116125166).

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

1085545554 is a wasteful number, since it uses less digits than its factorization.

1085545554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548305.

The product of its (nonzero) digits is 400000, while the sum is 42.

The square root of 1085545554 is about 32947.6183357766. The cubic root of 1085545554 is about 1027.7386382805.

The spelling of 1085545554 in words is "one billion, eighty-five million, five hundred forty-five thousand, five hundred fifty-four".