55011799 has 4 divisors (see below), whose sum is σ = 55027840. Its totient is φ = 54995760.

The previous prime is 55011797. The next prime is 55011833. The reversal of 55011799 is 99711055.

It is a happy number.

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 55011799 - 2¹ = 55011797 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 (55011793) 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, 567 + ... + 10504.

It is an arithmetic number, because the mean of its divisors is an integer number (13756960).

Almost surely, 2^55011799 is an apocalyptic number.

55011799 is a deficient number, since it is larger than the sum of its proper divisors (16041).

55011799 is a wasteful number, since it uses less digits than its factorization.

55011799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16040.

The product of its (nonzero) digits is 14175, while the sum is 37.

The square root of 55011799 is about 7416.9939328545. The cubic root of 55011799 is about 380.3224386990.

The spelling of 55011799 in words is "fifty-five million, eleven thousand, seven hundred ninety-nine".