1720883055 has 32 divisors (see below), whose sum is σ = 3015921600. Its totient is φ = 834025472.

The previous prime is 1720883027. The next prime is 1720883057. The reversal of 1720883055 is 5503880271.

It is a cyclic number.

It is not a de Polignac number, because 1720883055 - 2⁷ = 1720882927 is a prime.

It is a super-2 number, since 2×1720883055² = 5922876977972266050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720883057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108960 + ... + 123749.

It is an arithmetic number, because the mean of its divisors is an integer number (94247550).

Almost surely, 2^1720883055 is an apocalyptic number.

1720883055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1720883055 is a deficient number, since it is larger than the sum of its proper divisors (1295038545).

1720883055 is a wasteful number, since it uses less digits than its factorization.

1720883055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232763.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1720883055 is about 41483.5275139422. The cubic root of 1720883055 is about 1198.3502921203.

The spelling of 1720883055 in words is "one billion, seven hundred twenty million, eight hundred eighty-three thousand, fifty-five".