55446655 has 32 divisors (see below), whose sum is σ = 77333760. Its totient is φ = 37739520.

The previous prime is 55446649. The next prime is 55446659. The reversal of 55446655 is 55664455.

It is not a de Polignac number, because 55446655 - 2³ = 55446647 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55446659) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101092 + ... + 101638.

It is an arithmetic number, because the mean of its divisors is an integer number (2416680).

Almost surely, 2^55446655 is an apocalyptic number.

55446655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55446655 is a deficient number, since it is larger than the sum of its proper divisors (21887105).

55446655 is a wasteful number, since it uses less digits than its factorization.

55446655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 360000, while the sum is 40.

The square root of 55446655 is about 7446.2510701695. The cubic root of 55446655 is about 381.3219310663.

The spelling of 55446655 in words is "fifty-five million, four hundred forty-six thousand, six hundred fifty-five".