1055959900 has 36 divisors (see below), whose sum is σ = 2391065712. Its totient is φ = 404018560.

The previous prime is 1055959897. The next prime is 1055959907. The reversal of 1055959900 is 99595501.

It is a happy number.

It is a super-2 number, since 2×1055959900² = 2230102620816020000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055959907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227257 + ... + 231856.

It is an arithmetic number, because the mean of its divisors is an integer number (66418492).

Almost surely, 2^1055959900 is an apocalyptic number.

1055959900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055959900 is an abundant number, since it is smaller than the sum of its proper divisors (1335105812).

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

1055959900 is a wasteful number, since it uses less digits than its factorization.

1055959900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459150 (or 459143 counting only the distinct ones).

The product of its (nonzero) digits is 91125, while the sum is 43.

The square root of 1055959900 is about 32495.5366165878. The cubic root of 1055959900 is about 1018.3157839392.

The spelling of 1055959900 in words is "one billion, fifty-five million, nine hundred fifty-nine thousand, nine hundred".