55016699 has 4 divisors (see below), whose sum is σ = 55381200. Its totient is φ = 54652200.

The previous prime is 55016677. The next prime is 55016749. The reversal of 55016699 is 99661055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55016699 - 2²⁴ = 38239483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55016639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182024 + ... + 182325.

It is an arithmetic number, because the mean of its divisors is an integer number (13845300).

Almost surely, 2^55016699 is an apocalyptic number.

55016699 is a deficient number, since it is larger than the sum of its proper divisors (364501).

55016699 is a wasteful number, since it uses less digits than its factorization.

55016699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364500.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 55016699 is about 7417.3242480021. The cubic root of 55016699 is about 380.3337303653. Note that the first 3 decimals are identical.

The spelling of 55016699 in words is "fifty-five million, sixteen thousand, six hundred ninety-nine".