55151446 has 16 divisors (see below), whose sum is σ = 97806240. Its totient is φ = 22821120.

The previous prime is 55151419. The next prime is 55151461. The reversal of 55151446 is 64415155.

55151446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 67515 + ... + 68326.

It is an arithmetic number, because the mean of its divisors is an integer number (6112890).

Almost surely, 2^55151446 is an apocalyptic number.

55151446 is a deficient number, since it is larger than the sum of its proper divisors (42654794).

55151446 is a wasteful number, since it uses less digits than its factorization.

55151446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135879.

The product of its digits is 12000, while the sum is 31.

The square root of 55151446 is about 7426.4019551866. The cubic root of 55151446 is about 380.6439819032.

The spelling of 55151446 in words is "fifty-five million, one hundred fifty-one thousand, four hundred forty-six".