55151366 has 16 divisors (see below), whose sum is σ = 87771600. Its totient is φ = 25900800.

The previous prime is 55151339. The next prime is 55151389. The reversal of 55151366 is 66315155.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 19085 + ... + 21783.

It is an arithmetic number, because the mean of its divisors is an integer number (5485725).

Almost surely, 2^55151366 is an apocalyptic number.

55151366 is a deficient number, since it is larger than the sum of its proper divisors (32620234).

55151366 is a wasteful number, since it uses less digits than its factorization.

55151366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319.

The product of its digits is 13500, while the sum is 32.

The square root of 55151366 is about 7426.3965689963. The cubic root of 55151366 is about 380.6437978552.

The spelling of 55151366 in words is "fifty-five million, one hundred fifty-one thousand, three hundred sixty-six".