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55946493 = 326216277
BaseRepresentation
bin1101010101101…
…0110011111101
310220021101011100
43111122303331
5103310241433
65315043313
71246352211
oct325326375
9126241140
1055946493
1129642479
12168a0539
13b78ac45
147604941
154da1b13
hex355acfd

55946493 has 6 divisors (see below), whose sum is σ = 80811614. Its totient is φ = 37297656.

The previous prime is 55946491. The next prime is 55946519. The reversal of 55946493 is 39464955.

55946493 is a `hidden beast` number, since 559 + 4 + 6 + 4 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30272004 + 25674489 = 5502^2 + 5067^2 .

It is not a de Polignac number, because 55946493 - 21 = 55946491 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55946491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3108130 + ... + 3108147.

Almost surely, 255946493 is an apocalyptic number.

It is an amenable number.

55946493 is a deficient number, since it is larger than the sum of its proper divisors (24865121).

55946493 is a wasteful number, since it uses less digits than its factorization.

55946493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216283 (or 6216280 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 55946493 is about 7479.7388323390. The cubic root of 55946493 is about 382.4643462859.

The spelling of 55946493 in words is "fifty-five million, nine hundred forty-six thousand, four hundred ninety-three".

Divisors: 1 3 9 6216277 18648831 55946493