55992811 has 8 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 47724648.

The previous prime is 55992799. The next prime is 55992817. The reversal of 55992811 is 11829955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55992811 - 2¹³ = 55984619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55992817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21091 + ... + 23596.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^55992811 is an apocalyptic number.

55992811 is a deficient number, since it is larger than the sum of its proper divisors (8357909).

55992811 is a wasteful number, since it uses less digits than its factorization.

55992811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44873.

The product of its digits is 32400, while the sum is 40.

The square root of 55992811 is about 7482.8344228641. The cubic root of 55992811 is about 382.5698643512.

The spelling of 55992811 in words is "fifty-five million, nine hundred ninety-two thousand, eight hundred eleven".