55146688 has 28 divisors (see below), whose sum is σ = 110185200. Its totient is φ = 27383552.

The previous prime is 55146671. The next prime is 55146701. The reversal of 55146688 is 88664155.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6645 + ... + 12427.

Almost surely, 2^55146688 is an apocalyptic number.

It is an amenable number.

55146688 is a deficient number, since it is larger than the sum of its proper divisors (55038512).

55146688 is a wasteful number, since it uses less digits than its factorization.

55146688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944 (or 5934 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 55146688 is about 7426.0816047226. The cubic root of 55146688 is about 380.6330353413.

The spelling of 55146688 in words is "fifty-five million, one hundred forty-six thousand, six hundred eighty-eight".