55856366 has 8 divisors (see below), whose sum is σ = 83831760. Its totient is φ = 27912448.

The previous prime is 55856363. The next prime is 55856387. The reversal of 55856366 is 66365855.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55856363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2771 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (10478970).

Almost surely, 2^55856366 is an apocalyptic number.

55856366 is a deficient number, since it is larger than the sum of its proper divisors (27975394).

55856366 is a wasteful number, since it uses less digits than its factorization.

55856366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15738.

The product of its digits is 648000, while the sum is 44.

The square root of 55856366 is about 7473.7116615508. The cubic root of 55856366 is about 382.2588589301.

Adding to 55856366 its reverse (66365855), we get a palindrome (122222221).

The spelling of 55856366 in words is "fifty-five million, eight hundred fifty-six thousand, three hundred sixty-six".