56399 has 6 divisors (see below), whose sum is σ = 65664. Its totient is φ = 48300.
The previous prime is 56393. The next prime is 56401. The reversal of 56399 is 99365.
It is not a de Polignac number, because 56399 - 24 = 56383 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 (56393) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527 + ... + 624.
It is an arithmetic number, because the mean of its divisors is an integer number (10944).
256399 is an apocalyptic number.
56399 is a deficient number, since it is larger than the sum of its proper divisors (9265).
56399 is a wasteful number, since it uses less digits than its factorization.
56399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1165 (or 1158 counting only the distinct ones).
The product of its digits is 7290, while the sum is 32.
The square root of 56399 is about 237.4847363516. The cubic root of 56399 is about 38.3492729343.
The spelling of 56399 in words is "fifty-six thousand, three hundred ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •