55799503 has 4 divisors (see below), whose sum is σ = 55885608. Its totient is φ = 55713400.

The previous prime is 55799501. The next prime is 55799519. The reversal of 55799503 is 30599755.

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 55799503 - 2¹ = 55799501 is a prime.

It is a super-2 number, since 2×55799503² = 6227169070094018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55799503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55799501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42073 + ... + 43378.

It is an arithmetic number, because the mean of its divisors is an integer number (13971402).

Almost surely, 2^55799503 is an apocalyptic number.

55799503 is a deficient number, since it is larger than the sum of its proper divisors (86105).

55799503 is an equidigital number, since it uses as much as digits as its factorization.

55799503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86104.

The product of its (nonzero) digits is 212625, while the sum is 43.

The square root of 55799503 is about 7469.9064920520. The cubic root of 55799503 is about 382.1290989328.

The spelling of 55799503 in words is "fifty-five million, seven hundred ninety-nine thousand, five hundred three".