55135146 has 32 divisors (see below), whose sum is σ = 122342400. Its totient is φ = 16423280.

The previous prime is 55135141. The next prime is 55135151. The reversal of 55135146 is 64153155.

55135146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55135141) and next prime (55135151).

It is not an unprimeable number, because it can be changed into a prime (55135141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3186 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (3823200).

Almost surely, 2^55135146 is an apocalyptic number.

55135146 is an abundant number, since it is smaller than the sum of its proper divisors (67207254).

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

55135146 is a wasteful number, since it uses less digits than its factorization.

55135146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234.

The product of its digits is 9000, while the sum is 30.

The square root of 55135146 is about 7425.3044382032. The cubic root of 55135146 is about 380.6064784547.

Subtracting 55135146 from its reverse (64153155), we obtain a square (9018009 = 3003²).

The spelling of 55135146 in words is "fifty-five million, one hundred thirty-five thousand, one hundred forty-six".