55055512 has 8 divisors (see below), whose sum is σ = 103229100. Its totient is φ = 27527752.

The previous prime is 55055479. The next prime is 55055569. The reversal of 55055512 is 21555055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×55055512² = 6062218803164288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440962 + ... + 3440977.

Almost surely, 2^55055512 is an apocalyptic number.

It is an amenable number.

55055512 is a deficient number, since it is larger than the sum of its proper divisors (48173588).

55055512 is a wasteful number, since it uses less digits than its factorization.

55055512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881945 (or 6881941 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 55055512 is about 7419.9401614838. The cubic root of 55055512 is about 380.4231482046.

The spelling of 55055512 in words is "fifty-five million, fifty-five thousand, five hundred twelve".