1055775858 has 8 divisors (see below), whose sum is σ = 2111551728. Its totient is φ = 351925284.

The previous prime is 1055775823. The next prime is 1055775901. The reversal of 1055775858 is 8585775501.

It is a sphenic number, since it is the product of 3 distinct primes.

1055775858 is an admirable number.

It is a super-2 number, since 2×1055775858² = 2229325324671272328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055775858.

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, 87981316 + ... + 87981327.

It is an arithmetic number, because the mean of its divisors is an integer number (263943966).

Almost surely, 2^1055775858 is an apocalyptic number.

1055775858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1055775858 is a wasteful number, since it uses less digits than its factorization.

1055775858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175962648.

The product of its (nonzero) digits is 1960000, while the sum is 51.

The square root of 1055775858 is about 32492.7046888990. The cubic root of 1055775858 is about 1018.2566201514.

The spelling of 1055775858 in words is "one billion, fifty-five million, seven hundred seventy-five thousand, eight hundred fifty-eight".