55768406 has 8 divisors (see below), whose sum is σ = 83721000. Its totient is φ = 27861408.

The previous prime is 55768397. The next prime is 55768417. The reversal of 55768406 is 60486755.

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

It is a super-2 number, since 2×55768406² = 6220230215561672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8156 + ... + 13343.

It is an arithmetic number, because the mean of its divisors is an integer number (10465125).

Almost surely, 2^55768406 is an apocalyptic number.

55768406 is a deficient number, since it is larger than the sum of its proper divisors (27952594).

55768406 is a wasteful number, since it uses less digits than its factorization.

55768406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22798.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 55768406 is about 7467.8247167432. The cubic root of 55768406 is about 382.0580990367.

The spelling of 55768406 in words is "fifty-five million, seven hundred sixty-eight thousand, four hundred six".