1055351808 has 528 divisors, whose sum is σ = 3920414400. Its totient is φ = 278691840.

The previous prime is 1055351797. The next prime is 1055351837. The reversal of 1055351808 is 8081535501.

1055351808 is a `hidden beast` number, since 105 + 535 + 18 + 0 + 8 = 666.

It is a super-2 number, since 2×1055351808² = 2227534877297737728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25740268 + ... + 25740308.

Almost surely, 2^1055351808 is an apocalyptic number.

1055351808 is a gapful number since it is divisible by the number (18) 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 1055351808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960207200).

1055351808 is an abundant number, since it is smaller than the sum of its proper divisors (2865062592).

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

1055351808 is a wasteful number, since it uses less digits than its factorization.

1055351808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The square root of 1055351808 is about 32486.1787226507. The cubic root of 1055351808 is about 1018.1202750680.

The spelling of 1055351808 in words is "one billion, fifty-five million, three hundred fifty-one thousand, eight hundred eight".