56494447 has 8 divisors (see below), whose sum is σ = 57657600. Its totient is φ = 55338264.

The previous prime is 56494439. The next prime is 56494457. The reversal of 56494447 is 74449465.

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 56494447 - 2³ = 56494439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56494457) 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, 16554 + ... + 19672.

It is an arithmetic number, because the mean of its divisors is an integer number (7207200).

Almost surely, 2^56494447 is an apocalyptic number.

56494447 is a deficient number, since it is larger than the sum of its proper divisors (1163153).

56494447 is a wasteful number, since it uses less digits than its factorization.

56494447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485.

The product of its digits is 483840, while the sum is 43.

The square root of 56494447 is about 7516.2788000446. The cubic root of 56494447 is about 383.7089424043.

The spelling of 56494447 in words is "fifty-six million, four hundred ninety-four thousand, four hundred forty-seven".