55916699 has 4 divisors (see below), whose sum is σ = 57106464. Its totient is φ = 54726936.

The previous prime is 55916681. The next prime is 55916701. The reversal of 55916699 is 99661955.

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 55916699 - 2¹² = 55912603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55916629) 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, 594812 + ... + 594905.

It is an arithmetic number, because the mean of its divisors is an integer number (14276616).

Almost surely, 2^55916699 is an apocalyptic number.

55916699 is a deficient number, since it is larger than the sum of its proper divisors (1189765).

55916699 is a wasteful number, since it uses less digits than its factorization.

55916699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189764.

The product of its digits is 656100, while the sum is 50.

The square root of 55916699 is about 7477.7469200288. The cubic root of 55916699 is about 382.3964411291.

The spelling of 55916699 in words is "fifty-five million, nine hundred sixteen thousand, six hundred ninety-nine".