56642006 has 8 divisors (see below), whose sum is σ = 86403240. Its totient is φ = 27840928.

The previous prime is 56641999. The next prime is 56642009. The reversal of 56642006 is 60024665.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56642006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56642009) 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, 239891 + ... + 240126.

It is an arithmetic number, because the mean of its divisors is an integer number (10800405).

Almost surely, 2^56642006 is an apocalyptic number.

56642006 is a deficient number, since it is larger than the sum of its proper divisors (29761234).

56642006 is a wasteful number, since it uses less digits than its factorization.

56642006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480078.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 56642006 is about 7526.0883598321. The cubic root of 56642006 is about 384.0427243767.

The spelling of 56642006 in words is "fifty-six million, six hundred forty-two thousand, six".