55816427 has 8 divisors (see below), whose sum is σ = 56790336. Its totient is φ = 54846792.

The previous prime is 55816417. The next prime is 55816429. The reversal of 55816427 is 72461855.

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 55816427 - 2⁸ = 55816171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55816429) 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, 35888 + ... + 37410.

It is an arithmetic number, because the mean of its divisors is an integer number (7098792).

Almost surely, 2^55816427 is an apocalyptic number.

55816427 is a deficient number, since it is larger than the sum of its proper divisors (973909).

55816427 is a wasteful number, since it uses less digits than its factorization.

55816427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137.

The product of its digits is 67200, while the sum is 38.

The square root of 55816427 is about 7471.0392182079. The cubic root of 55816427 is about 382.1677283040.

The spelling of 55816427 in words is "fifty-five million, eight hundred sixteen thousand, four hundred twenty-seven".