55775008 has 12 divisors (see below), whose sum is σ = 109807110. Its totient is φ = 27887488.

The previous prime is 55774997. The next prime is 55775009. The reversal of 55775008 is 80057755.

It can be written as a sum of positive squares in only one way, i.e., 54582544 + 1192464 = 7388^2 + 1092^2 .

It is a super-2 number, since 2×55775008² = 6221703034800128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55775009) by changing a digit.

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 as a sum of consecutive naturals, namely, 871453 + ... + 871516.

Almost surely, 2^55775008 is an apocalyptic number.

It is an amenable number.

55775008 is a deficient number, since it is larger than the sum of its proper divisors (54032102).

55775008 is a wasteful number, since it uses less digits than its factorization.

55775008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742979 (or 1742971 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 55775008 is about 7468.2667333191. The cubic root of 55775008 is about 382.0731747652.

It can be divided in two parts, 5577 and 5008, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 55775008 in words is "fifty-five million, seven hundred seventy-five thousand, eight".