1055534051808 has 36 divisors (see below), whose sum is σ = 3001674960648. Its totient is φ = 351844683840.

The previous prime is 1055534051807. The next prime is 1055534051821. The reversal of 1055534051808 is 8081504355501.

1055534051808 is a `hidden beast` number, since 1 + 0 + 5 + 553 + 40 + 51 + 8 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1055534051808² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055534051807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1832524108 + ... + 1832524683.

It is an arithmetic number, because the mean of its divisors is an integer number (83379860018).

Almost surely, 2^{1055534051808} is an apocalyptic number.

1055534051808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1055534051808 is an abundant number, since it is smaller than the sum of its proper divisors (1946140908840).

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

1055534051808 is a wasteful number, since it uses less digits than its factorization.

1055534051808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665048807 (or 3665048796 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 45.

The spelling of 1055534051808 in words is "one trillion, fifty-five billion, five hundred thirty-four million, fifty-one thousand, eight hundred eight".