55535412 has 24 divisors (see below), whose sum is σ = 129771936. Its totient is φ = 18484768.

The previous prime is 55535371. The next prime is 55535503. The reversal of 55535412 is 21453555.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55535412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6283 + ... + 12269.

It is an arithmetic number, because the mean of its divisors is an integer number (5407164).

Almost surely, 2^55535412 is an apocalyptic number.

It is an amenable number.

55535412 is an abundant number, since it is smaller than the sum of its proper divisors (74236524).

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

55535412 is a wasteful number, since it uses less digits than its factorization.

55535412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767 (or 6765 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 55535412 is about 7452.2085317039. The cubic root of 55535412 is about 381.5252913797.

Adding to 55535412 its reverse (21453555), we get a palindrome (76988967).

The spelling of 55535412 in words is "fifty-five million, five hundred thirty-five thousand, four hundred twelve".