1055917000 has 32 divisors (see below), whose sum is σ = 2470848120. Its totient is φ = 422366400.

The previous prime is 1055916949. The next prime is 1055917003. The reversal of 1055917000 is 7195501.

It can be written as a sum of positive squares in 4 ways, for example, as 40475044 + 1015441956 = 6362^2 + 31866^2 .

It is a super-2 number, since 2×1055917000² = 2229921421778000000, 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 1055917000.

It is not an unprimeable number, because it can be changed into a prime (1055917003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526959 + ... + 528958.

Almost surely, 2^1055917000 is an apocalyptic number.

1055917000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055917000 is an abundant number, since it is smaller than the sum of its proper divisors (1414931120).

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

1055917000 is a wasteful number, since it uses less digits than its factorization.

1055917000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055938 (or 1055924 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1055917000 is about 32494.8765192299. The cubic root of 1055917000 is about 1018.3019935359.

The spelling of 1055917000 in words is "one billion, fifty-five million, nine hundred seventeen thousand".