55808499 has 16 divisors (see below), whose sum is σ = 77598720. Its totient is φ = 35632800.

The previous prime is 55808497. The next prime is 55808509. The reversal of 55808499 is 99480855.

It is a happy number.

It is not a de Polignac number, because 55808499 - 2¹ = 55808497 is a prime.

It is a super-2 number, since 2×55808499² = 6229177121266002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55808497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8524 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (4849920).

Almost surely, 2^55808499 is an apocalyptic number.

55808499 is a deficient number, since it is larger than the sum of its proper divisors (21790221).

55808499 is a wasteful number, since it uses less digits than its factorization.

55808499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 55808499 is about 7470.5086172228. The cubic root of 55808499 is about 382.1496334565.

The spelling of 55808499 in words is "fifty-five million, eight hundred eight thousand, four hundred ninety-nine".