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55456 = 251733
BaseRepresentation
bin1101100010100000
32211001221
431202200
53233311
61104424
7320452
oct154240
984057
1055456
1138735
1228114
131c31b
14162d2
1511671
hexd8a0

55456 has 12 divisors (see below), whose sum is σ = 109242. Its totient is φ = 27712.

The previous prime is 55441. The next prime is 55457. The reversal of 55456 is 65455.

It can be written as a sum of positive squares in only one way, i.e., 48400 + 7056 = 220^2 + 84^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55456.

It is not an unprimeable number, because it can be changed into a prime (55457) by changing a digit.

55456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835 + ... + 898.

255456 is an apocalyptic number.

It is an amenable number.

55456 is a deficient number, since it is larger than the sum of its proper divisors (53786).

55456 is a wasteful number, since it uses less digits than its factorization.

55456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1735 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 55456 is about 235.4909764726. The cubic root of 55456 is about 38.1343352577.

Subtracting 55456 from its reverse (65455), we obtain a palindrome (9999).

The spelling of 55456 in words is "fifty-five thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 32 1733 3466 6932 13864 27728 55456