55635855 has 64 divisors (see below), whose sum is σ = 102297600. Its totient is φ = 25574400.

The previous prime is 55635841. The next prime is 55635859. The reversal of 55635855 is 55853655.

It is not a de Polignac number, because 55635855 - 2⁶ = 55635791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55635859) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 373321 + ... + 373469.

It is an arithmetic number, because the mean of its divisors is an integer number (1598400).

Almost surely, 2^55635855 is an apocalyptic number.

55635855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55635855 is a deficient number, since it is larger than the sum of its proper divisors (46661745).

55635855 is a wasteful number, since it uses less digits than its factorization.

55635855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its digits is 450000, while the sum is 42.

The square root of 55635855 is about 7458.9446304420. The cubic root of 55635855 is about 381.7551655175.

The spelling of 55635855 in words is "fifty-five million, six hundred thirty-five thousand, eight hundred fifty-five".