1955569088 has 70 divisors (see below), whose sum is σ = 4270659480. Its totient is φ = 888469120.

The previous prime is 1955569061. The next prime is 1955569123. The reversal of 1955569088 is 8809655591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 935981 + ... + 938067.

Almost surely, 2^1955569088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955569088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2135329740).

1955569088 is an abundant number, since it is smaller than the sum of its proper divisors (2315090392).

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

1955569088 is an frugal number, since it uses more digits than its factorization.

1955569088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 56.

The square root of 1955569088 is about 44221.8168780976. The cubic root of 1955569088 is about 1250.5211881002.

The spelling of 1955569088 in words is "one billion, nine hundred fifty-five million, five hundred sixty-nine thousand, eighty-eight".