1055869536 has 48 divisors (see below), whose sum is σ = 2783818800. Its totient is φ = 350412288.

The previous prime is 1055869511. The next prime is 1055869547. The reversal of 1055869536 is 6359685501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1055869536² = 2229720954105710592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031 + ... + 45998.

It is an arithmetic number, because the mean of its divisors is an integer number (57996225).

Almost surely, 2^1055869536 is an apocalyptic number.

1055869536 is a gapful number since it is divisible by the number (16) 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 1055869536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391909400).

1055869536 is an abundant number, since it is smaller than the sum of its proper divisors (1727949264).

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

1055869536 is a wasteful number, since it uses less digits than its factorization.

1055869536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48271 (or 48263 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The square root of 1055869536 is about 32494.1461805046. The cubic root of 1055869536 is about 1018.2867355785.

The spelling of 1055869536 in words is "one billion, fifty-five million, eight hundred sixty-nine thousand, five hundred thirty-six".