55335612 has 24 divisors (see below), whose sum is σ = 136712016. Its totient is φ = 17360128.

The previous prime is 55335557. The next prime is 55335613. The reversal of 55335612 is 21653355.

It is a self number, because there is not a number n which added to its sum of digits gives 55335612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55335613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135423 + ... + 135830.

It is an arithmetic number, because the mean of its divisors is an integer number (5696334).

Almost surely, 2^55335612 is an apocalyptic number.

It is an amenable number.

55335612 is an abundant number, since it is smaller than the sum of its proper divisors (81376404).

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

55335612 is a wasteful number, since it uses less digits than its factorization.

55335612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271277 (or 271275 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 55335612 is about 7438.7910308060. The cubic root of 55335612 is about 381.0672031689.

Adding to 55335612 its reverse (21653355), we get a palindrome (76988967).

The spelling of 55335612 in words is "fifty-five million, three hundred thirty-five thousand, six hundred twelve".