55416599 has 6 divisors (see below), whose sum is σ = 64464264. Its totient is φ = 47499900.

The previous prime is 55416553. The next prime is 55416601. The reversal of 55416599 is 99561455.

It is a de Polignac number, because none of the positive numbers 2^k-55416599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55416509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565427 + ... + 565524.

It is an arithmetic number, because the mean of its divisors is an integer number (10744044).

Almost surely, 2^55416599 is an apocalyptic number.

55416599 is a deficient number, since it is larger than the sum of its proper divisors (9047665).

55416599 is a wasteful number, since it uses less digits than its factorization.

55416599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130965 (or 1130958 counting only the distinct ones).

The product of its digits is 243000, while the sum is 44.

The square root of 55416599 is about 7444.2325998050. The cubic root of 55416599 is about 381.2530174804.

The spelling of 55416599 in words is "fifty-five million, four hundred sixteen thousand, five hundred ninety-nine".