55636799 has 2 divisors, whose sum is σ = 55636800. Its totient is φ = 55636798.

The previous prime is 55636783. The next prime is 55636811. The reversal of 55636799 is 99763655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55636799 - 2⁴ = 55636783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55636729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27818399 + 27818400.

It is an arithmetic number, because the mean of its divisors is an integer number (27818400).

Almost surely, 2^55636799 is an apocalyptic number.

55636799 is a deficient number, since it is larger than the sum of its proper divisors (1).

55636799 is an equidigital number, since it uses as much as digits as its factorization.

55636799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 50.

The square root of 55636799 is about 7459.0079099033. The cubic root of 55636799 is about 381.7573246458.

The spelling of 55636799 in words is "fifty-five million, six hundred thirty-six thousand, seven hundred ninety-nine".