56447206 has 4 divisors (see below), whose sum is σ = 84670812. Its totient is φ = 28223602.

The previous prime is 56447197. The next prime is 56447207. The reversal of 56447206 is 60274465.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56447207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14111800 + ... + 14111803.

It is an arithmetic number, because the mean of its divisors is an integer number (21167703).

Almost surely, 2^56447206 is an apocalyptic number.

56447206 is a deficient number, since it is larger than the sum of its proper divisors (28223606).

56447206 is a wasteful number, since it uses less digits than its factorization.

56447206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28223605.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 56447206 is about 7513.1355637976. The cubic root of 56447206 is about 383.6019593288.

The spelling of 56447206 in words is "fifty-six million, four hundred forty-seven thousand, two hundred six".