55154612 has 6 divisors (see below), whose sum is σ = 96520578. Its totient is φ = 27577304.

The previous prime is 55154597. The next prime is 55154629. The reversal of 55154612 is 21645155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54081316 + 1073296 = 7354^2 + 1036^2 .

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, 6894323 + ... + 6894330.

It is an arithmetic number, because the mean of its divisors is an integer number (16086763).

Almost surely, 2^55154612 is an apocalyptic number.

It is an amenable number.

55154612 is a deficient number, since it is larger than the sum of its proper divisors (41365966).

55154612 is a wasteful number, since it uses less digits than its factorization.

55154612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13788657 (or 13788655 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 55154612 is about 7426.6151105332. The cubic root of 55154612 is about 380.6512654583.

Adding to 55154612 its reverse (21645155), we get a palindrome (76799767).

The spelling of 55154612 in words is "fifty-five million, one hundred fifty-four thousand, six hundred twelve".