55550655 has 48 divisors (see below), whose sum is σ = 99066240. Its totient is φ = 28787904.

The previous prime is 55550641. The next prime is 55550701. The reversal of 55550655 is 55605555.

55550655 is a `hidden beast` number, since 55 + 550 + 6 + 55 = 666.

It is not a de Polignac number, because 55550655 - 2⁷ = 55550527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399576 + ... + 399714.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^55550655 is an apocalyptic number.

55550655 is a deficient number, since it is larger than the sum of its proper divisors (43515585).

55550655 is a wasteful number, since it uses less digits than its factorization.

55550655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 55550655 is about 7453.2311784890. The cubic root of 55550655 is about 381.5601943831.

The spelling of 55550655 in words is "fifty-five million, five hundred fifty thousand, six hundred fifty-five".