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56044207 = 66184787
BaseRepresentation
bin1101010111001…
…0101010101111
310220110100012101
43111302222233
5103321403312
65321115531
71250240122
oct325625257
9126410171
1056044207
11296a992a
1216928ba7
13b7c356b
14762c3b9
154dc0a57
hex3572aaf

56044207 has 4 divisors (see below), whose sum is σ = 56129656. Its totient is φ = 55958760.

The previous prime is 56044201. The next prime is 56044229. The reversal of 56044207 is 70244065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70244065 = 514048813.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56044207 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 (56044201) 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, 41733 + ... + 43054.

It is an arithmetic number, because the mean of its divisors is an integer number (14032414).

Almost surely, 256044207 is an apocalyptic number.

56044207 is a deficient number, since it is larger than the sum of its proper divisors (85449).

56044207 is an equidigital number, since it uses as much as digits as its factorization.

56044207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85448.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 56044207 is about 7486.2678952867. The cubic root of 56044207 is about 382.6868826335.

The spelling of 56044207 in words is "fifty-six million, forty-four thousand, two hundred seven".

Divisors: 1 661 84787 56044207