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55289773 = 711718049
BaseRepresentation
bin1101001011101…
…0011110101101
310212001000022101
43102322132231
5103123233043
65253015101
71240645450
oct322723655
9125030271
1055289773
1129234030
1216624491
13b5bb056
1474b3497
154cc224d
hex34ba7ad

55289773 has 8 divisors (see below), whose sum is σ = 68932800. Its totient is φ = 43082880.

The previous prime is 55289743. The next prime is 55289783. The reversal of 55289773 is 37798255.

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 55289773 - 225 = 21735341 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 (55289743) 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, 358948 + ... + 359101.

It is an arithmetic number, because the mean of its divisors is an integer number (8616600).

Almost surely, 255289773 is an apocalyptic number.

It is an amenable number.

55289773 is a deficient number, since it is larger than the sum of its proper divisors (13643027).

55289773 is a wasteful number, since it uses less digits than its factorization.

55289773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718067.

The product of its digits is 529200, while the sum is 46.

The square root of 55289773 is about 7435.7093138449. The cubic root of 55289773 is about 380.9619510872.

The spelling of 55289773 in words is "fifty-five million, two hundred eighty-nine thousand, seven hundred seventy-three".

Divisors: 1 7 11 77 718049 5026343 7898539 55289773