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55786049 = 117171429
BaseRepresentation
bin1101010011001…
…1101001000001
310212222020001222
43110303221001
5103240123144
65311404425
71245113354
oct324635101
9125866058
1055786049
1129542980
1216823715
13b732bc7
1475a229b
154d6e2ee
hex3533a41

55786049 has 8 divisors (see below), whose sum is σ = 61715520. Its totient is φ = 49999600.

The previous prime is 55786021. The next prime is 55786067. The reversal of 55786049 is 94068755.

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 55786049 - 212 = 55781953 is a prime.

It is a super-2 number, since 2×557860492 = 6224166526060802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55786249) 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, 34934 + ... + 36495.

It is an arithmetic number, because the mean of its divisors is an integer number (7714440).

Almost surely, 255786049 is an apocalyptic number.

It is an amenable number.

55786049 is a deficient number, since it is larger than the sum of its proper divisors (5929471).

55786049 is a wasteful number, since it uses less digits than its factorization.

55786049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71511.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 55786049 is about 7469.0058910139. The cubic root of 55786049 is about 382.0983843333.

The spelling of 55786049 in words is "fifty-five million, seven hundred eighty-six thousand, forty-nine".

Divisors: 1 11 71 781 71429 785719 5071459 55786049