55562772 has 12 divisors (see below), whose sum is σ = 129646496. Its totient is φ = 18520920.

The previous prime is 55562761. The next prime is 55562797. The reversal of 55562772 is 27726555.

55562772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 55562772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315104 + ... + 2315127.

Almost surely, 2^55562772 is an apocalyptic number.

It is an amenable number.

55562772 is an abundant number, since it is smaller than the sum of its proper divisors (74083724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55562772 is a wasteful number, since it uses less digits than its factorization.

55562772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630238 (or 4630236 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 55562772 is about 7454.0440030899. The cubic root of 55562772 is about 381.5879350026.

The spelling of 55562772 in words is "fifty-five million, five hundred sixty-two thousand, seven hundred seventy-two".