55299612 has 12 divisors (see below), whose sum is σ = 129032456. Its totient is φ = 18433200.

The previous prime is 55299599. The next prime is 55299649. The reversal of 55299612 is 21699255.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2304139 + ... + 2304162.

Almost surely, 2^55299612 is an apocalyptic number.

It is an amenable number.

55299612 is an abundant number, since it is smaller than the sum of its proper divisors (73732844).

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

55299612 is a wasteful number, since it uses less digits than its factorization.

55299612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608308 (or 4608306 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 55299612 is about 7436.3708890829. The cubic root of 55299612 is about 380.9845475646.

The spelling of 55299612 in words is "fifty-five million, two hundred ninety-nine thousand, six hundred twelve".