55016659 has 8 divisors (see below), whose sum is σ = 55486080. Its totient is φ = 54549696.

The previous prime is 55016653. The next prime is 55016671. The reversal of 55016659 is 95661055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55016659 - 2⁷ = 55016531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55016653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90334 + ... + 90940.

It is an arithmetic number, because the mean of its divisors is an integer number (6935760).

Almost surely, 2^55016659 is an apocalyptic number.

55016659 is a deficient number, since it is larger than the sum of its proper divisors (469421).

55016659 is a wasteful number, since it uses less digits than its factorization.

55016659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 55016659 is about 7417.3215516115. The cubic root of 55016659 is about 380.3336381911. Note that the first 3 decimals are identical.

The spelling of 55016659 in words is "fifty-five million, sixteen thousand, six hundred fifty-nine".