55788170 has 16 divisors (see below), whose sum is σ = 103881960. Its totient is φ = 21545664.

The previous prime is 55788151. The next prime is 55788191. The reversal of 55788170 is 7188755.

It can be written as a sum of positive squares in 4 ways, for example, as 55100929 + 687241 = 7423^2 + 829^2 .

It is a super-2 number, since 2×55788170² = 6224639823897800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95897 + ... + 96476.

Almost surely, 2^55788170 is an apocalyptic number.

55788170 is a deficient number, since it is larger than the sum of its proper divisors (48093790).

55788170 is a wasteful number, since it uses less digits than its factorization.

55788170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192409.

The product of its (nonzero) digits is 78400, while the sum is 41.

The square root of 55788170 is about 7469.1478764314. The cubic root of 55788170 is about 382.1032267651.

The spelling of 55788170 in words is "fifty-five million, seven hundred eighty-eight thousand, one hundred seventy".