55154312 has 24 divisors (see below), whose sum is σ = 105695310. Its totient is φ = 26981760.

The previous prime is 55154311. The next prime is 55154329. The reversal of 55154312 is 21345155.

It can be written as a sum of positive squares in only one way, i.e., 55145476 + 8836 = 7426^2 + 94^2 .

It is a super-3 number, since 3×55154312³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16112 + ... + 19232.

Almost surely, 2^55154312 is an apocalyptic number.

It is an amenable number.

55154312 is a deficient number, since it is larger than the sum of its proper divisors (50540998).

55154312 is a wasteful number, since it uses less digits than its factorization.

55154312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3170 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 55154312 is about 7426.5949128790. The cubic root of 55154312 is about 380.6505753039.

Adding to 55154312 its reverse (21345155), we get a palindrome (76499467).

The spelling of 55154312 in words is "fifty-five million, one hundred fifty-four thousand, three hundred twelve".