55016451 has 24 divisors (see below), whose sum is σ = 93955680. Its totient is φ = 30352896.

The previous prime is 55016441. The next prime is 55016453. The reversal of 55016451 is 15461055.

It is a happy number.

55016451 is a `hidden beast` number, since 550 + 1 + 64 + 51 = 666.

55016451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55016451 - 2¹⁵ = 54983683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55016453) 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 23 ways as a sum of consecutive naturals, for example, 13230 + ... + 16883.

It is an arithmetic number, because the mean of its divisors is an integer number (3914820).

Almost surely, 2^55016451 is an apocalyptic number.

55016451 is a deficient number, since it is larger than the sum of its proper divisors (38939229).

55016451 is a wasteful number, since it uses less digits than its factorization.

55016451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30155 (or 30152 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55016451 is about 7417.3075303644. The cubic root of 55016451 is about 380.3331588848. Note that the first 3 decimals are identical.

The spelling of 55016451 in words is "fifty-five million, sixteen thousand, four hundred fifty-one".